1.

Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?

2.

The total salary of X, Y and Z is Tk.90,000. X earns twice of what Z earns, and Y earns 1.5 times of what Z earns. What is the salary of Z?

3.

4.

A man's age is now 3 times his son's age. Eight years back, the man's age was 5 times his son's age. What is the present age of the son?

5.

If a square region has area n, what is the length of the diagonal of the square in terms of n?

6. A woman buys 50 eggs for $6.60. Some cost 12 cents each and the rest 14 cents each. How many eggs has she bought at 14 cents each?

7. A person incurs a loss of 5 % by selling a watch for Tk. 1140. At what price should the watch be sold to earn 5% profit?

8. Amira can type 720 words in sixteen minutes, Reya can type 820 words in 18 minutes ans Zunaira can type 798 words in 19 minutes. Whos is/are the fastest typist (s)?

9. A man is now 3 times as old as his son. In 10 years time, the sum of their ages will be 76. How old was the man when his son was born?

10. If 25% of a number is 75, 80% of the number is-

11. The sum of square of two numbers is 48 and the square of their diffrence is 16. The prodduct of the two number is-

12. What are the two roots of the equation $x^2-7x+12?$

13. The length of two smaller sides of a right angled triangle are 5 cm and 12 cm respectively. The length of the thirs side is-

14. the price of two bannas is Tk. 40, and the sum of the price of one banna and two kiwis is Tk. 50. The sum of the prices of two bannas and three kiwis is Tk.

15. The ratio of two number is 2:3 The sum of the number is 100. The diffrence between two numbers is-

16. If x+y=a and x-y=b, then 2xy=

17. If a 10% deposit that has been paid toward the purchase of a cetain goods is tk.110, how much Taka remains to be paid?

18. If 6.4 is 80 percent of 20 percent of a certain number, what is the number/

19. The numbers 2,3,5 and x have an average equal to 4 . What is x?

20. A man's regular pay Tk. 30 per hour up to 40 hours. Overtime is twice the regular payment. If he was paid Tk. 1680, how many hours overtime did he work?

21. If a:b=1:3, b:c=5:7 then what is the value of a:b:c?

22. A polygon that has 10 sides is called

23. A shopkeeper purchase 15 mangoes for Tk. 10 and sells them at 10 mangoes for Tk. 15. Thus, he earns a profit of-

24. A, B and C can complete a piece of work in 14, 6 and 12 days respectively, Working together, they will complete the work in-

25. Consider Δ ABD such that angle ADB$=20°$ and C is a point on BD such that AB=AC and CD=CA. Then the measure of angle ABC is-

26. As a salesperson, Poly can choose one of two methods of annual payment either an annual salary of Tk. 35,000 with no commission or an annual salary of Tk. 10,000 plus a 20 percent commission on her total annual sales. What must her total annual sales be to give her the same annual pay with either method?

27. Committee X has 4 members, committees Y has 5 members, and these committees have no members in common. If a task force is to be formed consisting of one member of X and one member of Y, how many different task forces are possible?

28. A bag contains 7 red, 9 yellow and 3 black balls. If a ball is picked at random, what is the probability that the ball drawn will be either a red of a black ball.

29. A retail appliance store priced a video recorder at 20 precent above the wholesale cost of Tk. 200. If a store employee applied the 10 percent employee discount to the retail price to buy the recorder, how much did the employee pay for the recorder?

30. A gym class can be divided unto 8 teams with an equal number of players on each team or into 12 teams with an equal number of players on each team. What is the lowest possible number of students in the class?

31. The ratio of the length to the width of a rectangular advertising display is approximately 3.3 to 2. If the width of the display is 8 meters, what is the approximate length of the display, in meters?

32. The amount of time that three secretaries worked on a special project are in the ratio of 1 to 2 to 5. If they worked a combined total of 112 hours, how many hours did the secretary, who worked the longest spend on the project?

33. For which of the following value of s is $\frac{(50+s)}{s}$ integer?

34. A rectangular floor that measures 8 meters by 10 meters is to be covered with carper that each measure 2 meters by 2 meters. If the carpet cost Tk. 12 a piece, what is the total cost to cover the floor?

35. If the sum of 5, 8, 12 and 15 is equal to the sum of 3, 4, x and x+3, what is the value of x?

36. Which of the following is equivalent to the pair of inequalities x+6>10 and x-3<=5?

37. The price of a coat in a certain store is tk 500. If the price of the coat is to be reduced by tk 150, by what percent is the price to be reduced?

38. The 180 students in a group are to be seated in rows to that there are an equal number of students in each row. Each of the following could be the number of rows except-

39. If Mario was 32 years old 8 years ago, how old was he x years ago?

40. A certain machine produces 1,000 units of product P per hour. Working contineously at this constant rate, this machine will produce how many units of product P in 7 days?

41. The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 13 but less than 25, then P =

42. If p is an even integer and q is an odd integer, which of the following must be an odd integer?

43. Company C produces toy trucks at a cost of Tk. 5.00 each for the first 100 trucks and Tk. 3.50 for each additional truck. If 500 toy trucks were produced by company C and sold for Tk. 10.00 each, what was company C's gross profit?

44. If x + y = 7 and x - y = 3, then $x^2-y^2=?$

45. 10, 4, 26, 16 what is the median of the numbers shown?

46. If each side of a rectangle is increased by 20% , the increase in the area of a rectangle will be______

47. The area of a rectangle is 40 $c{m}^2$ and one of its sides is 8 cm long. What will be its perimeter?

48. Sum of the interior angles of parallelogram is _____degree.

49. Which one of the following fractions is greater than 1/2?

50. If 4(x-2/3)=0, what is the value of x?

51. 90 is 75 percent of which number given below?

52. Which of the following numbers cannot be the last digit of a squared number?

53. The average age of a family of 6 members is 25 years. After a 45- yers old member leves the family, what is the average age ( in years) of the family?

54. A man travels for 2 hours at 30 miles an hour and he covers 60 miles in the next 3 hours . What is the average speed per hour for the entire trip?

55. How many miles can motorist travel from 9.55 am to 10:15 am at a speed of 40 miles per hour?

56. If (x+y)=8 and (x-y)=6, what is the value of xy?

57. If 18 is 15% of 50% of a certain number, what is the number?

58. If the cost price is 25% of selling price, then what is the percentage of profit?

59. What is the value of x in the equation 3x -15-6=0?

60. Aslam bought 5 apples at Taka 10 and sold 4 apples at Taka 10. What will be the rate of profit?

61. What will be the fraction of 4%?

62. Which of the following is a prime number?

63. The value of -3 -(-10) is how much greater than the value of -10-(-3)?

64. $(\sqrt{7} +\sqrt{7})=?$

65. You have saved 135 Taka by purchasing a blanket with15% discounton it. What is the quoted price of the blanket in Taka?

66. A coin is thrown 3 times in the air. What is the probability that one head is followed by two tails?

67. Six years ago Anita was P times as old as Ben was. If Anita is now 17 years old, how old is Ben now in terms of P?

68. In what ratio, water must be mixed with fruit juice costing Tk. 24 per liter. So that the juice would be worth of Tk. 20 per liter.

69. The difference between a number and its square is 72. What is the number?

70. The average runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings to increase his average of runs by 4?

71. How many multiples of 7 are there between 100 and 150?

72. An engine pulls four identical carriages. The engine is 2/3 the length of a carriage and the total length of the train is 86.8m. Find the length of the engine.

73. Think of a number and then double the number, Add 6 and then multiply the number by 10. Now divide the number by 20, then subtract the number you first thought of, What is the result?

74. What is the volume of a cylinder with radius 6 and height of 7?

75. If the base of a parallelogram is 8 and the height is 7 and perimeter is 24. what is the area of the parallelogram?

76. X, Y & Z has started a business with a profit sharing ratio 7:8:9. If at the end of the year, Y gets a total of Taka 4,000, what will be Z's profit?

77. y²-15y +56=0, then y=?

78. Jasim's weight is 140% of Masum's weight. Bashir's weight is 90% of Limon's weight. Limon weights twice as much as Masum. What percentage of Jasim's weight is Bashir's weight?

79. In New jersey 90% of the population own a car, 15% own a motorcycle, and everybody owns one or the other or both. What is the percentage of motorcycle owners who own cars?

80. Mr. Tanvir purchased stock for Tk. 1,500 and sold 2/3 of it after its value doubled. He sold the remaining stock at 5 times its purchase price. What was his total profit on the stock?

81. If it is 250 miles from Dhaka to Dinajpur and 120 miles from Dhaka to Pabna, what percentage of the distance from Dhaka to Dinajpur is the distance from Dhaka to Pabna?

82. If 15% of A is the same as 20% of B. then A: B is

83. a² + 3ab = 145, If a = 5, then what is the value of b²?

84. A man purchased a shirt at Taka 300 after availing a discount of 25%. What is the catalog price of the shirt?

85. It requires Taka 20 for fencing 1 meter. How much will it cost to fence a plot having length of 30 meters and breadth of 10 meters?

86. The income of "A" is 20% higher than that of "B" The income of "B" is 25% less than of "C". What percent less is "A" income from "C" income?

87. There are 2 numbers in the ratio of 4:5. If 4 is subtracted from both numbers the ration becomes 3:4 . What will be the ratio if 4 is added in the both numbers?

88. A train 150 m long crosses a milestone is 15 seconds and crosses another train of the same lengh travelling in the opposite direction in 12 seconds. The speed of the second train in km/hr is.

89. A train leaves a station A at 7 am and reaches another station B at 11 am. Another train leas B at 8 am and reaches A at 11:30 am. The two trains cross one another at

90. Rahim can now 16 km/hr in still water. It takes her thrice as long to row up as to row down the river. Find the difference between her speed (km/hr) in still water and that of the steam.

91. The average are of a group of 15 employing is 24 years, If 5 more employees join the group., the average age increases by 2 years. Find the average age of the new employ?

92. A, B and C are partners of a company During a particular year A received one- third of the profile. B received1 one fourth of the profit C received remaining Tk. 5000. How much did A recieved?

93. The respective ratio between the speed of a speed of the car, bus and train is 5 : 9 : 6. The average speed of the car, bus and train is 72 km/hr together. What is the average speed (km/h)of the car and the train together?

94. With a uniform speed , a car covers a distance in 8 hours . Had the same distance could have been increased by 4 km/hr. The same distance could have been covered in 7 hours and 30 minutes. What is the distance covered?

95. A motor cycle covers 40 km with a speed of 20 km/hr. Find the speed of the motor cycle for the next 40 km journy so that the average speed of the whole journey will be 30 km/hr?

96. A box contains 5 pink , 3 green and 2 yellow balls, Three balls are picked up randomly. What is the probability that none of the ball drawn is green

97. A is twise as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the ork is.

98. A ans B can do a work in 12 days. B can do the same work in 18 days. In how many days A can complete the 2/3 of the same work?

99. A boat traved with a speed of 10 km/hr in still water. If the speed of the stream is 3 km/hr then find time taken by boat to travel 52 km downstream.

100. The ratio of two numbers is 7:4, if 8 is added to both the number ration becomes 13:8 what is the smaller number?

101. The average of the three numbers x, y, and z is 45. x greater than the average of y and z by 9. The average of y and z is grater than y by 2. Then the difference of x and z is:

102. A sold a watch to B at a gain of 20% and B sold it to C at loss of 10%. If C bought the watch for TK.216 at what price did A purchase it?

103. By selling 32 guavas for Tk. 30 a man loss 25% . How many guavas should be sold for tk. 18 to gain 20% of profit in the transaction?

104. The average weight of A, B and C is 45 kg. If the average weight of A and B is 40 kg and that of B and C is 43 kg, then the weight of B is .

105. A merchant has 1000 kg of sugar, part of which he sells at 8% and the remaining at 18% profit. He gains 14% on the whole. Find the quantity of sugar that he sold at 18% profit.

106. After fillings the car's fuel tank, a driver drove from P to Q and then to R. He used 2/5th portion of the fuel driving from P to Q. If she used another 7 liters to drive from Q to R and still had 1/4th of the tank left, how many liters does the tank hold?

107. A batsman makes a score of 80 runs in the 16th innings and increases average by 3. What is his average after 16th innings?

108. A clock seen through a mirror, shows quarter past three. What is the correct time shown by the clock?

109. A monkey climbs a 12-meters-high slippery pillar. In his first minute, he climbs 2 meters, and in the next minute, he slips one meter down. In this way, how much time will he take to reach the top of the pillar? What is the correct

110. The average daily wage of 10 workers is Tk.400. If the lowest wage is Tk.300, then what is the possible maximum wage?

111. A worker was hired for 7 days. Each day, he was paid Tk. 10 more than what he was paid for the previous day of work. The total amount he was paid in the first 4 days of work equaled the total amount he was paid in the last 3 days. What was his starting pay?

112. The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?

113. If $X=a+\frac{1}{a}$ and $X=a-\frac{1}{a}$then $x^4+y^4-2x^2{y}^2=?$

114. In a right triangle, the length of one of the legs is 3 and the length of the hypotenuse is 5. What is the length of the other leg?

115. If the product of three consecutive integers is 210, then the sum of integers is .

116. Simple interest on a certain sum at the rate of 4.5% p.a. for 4 years and 6 years differs by BDT 216. The sum is-

117. The monthly incomes of two persons are in the ratio 4:5 and their monthly expenditures are in the ratio of 7:9. If each saves BDT 50 per month, find their monthly income.

118. The sum of the ages of the father and son is 80 years. If ten years ago the age of father was three times that of his son, find the present age of the son.

119. The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is –

120. A man bought some eggs of which 10% are rotten. He gives 80% of the remainder to his neighbors. Now he is left out with 36 eggs. How many eggs he bought?

121. One-third of Ratan's investment in National Savings Certificate is equal to one-half of his investment in FDR. If he has Tk. 1,50,000 as total investment, how much he invested in savings certificate?

122. If x=y=2z and xyz= 256, then x = ?

123. If two jeans and three shirts cost Tk. 4000 and three jeans and two shirts

124. A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long?

125. Salam earns Tk. 8.50 per hour on days other than Friday and twice the rate on Friday. Last week he worked a total of 50 hours including 8 hours on Friday. What is his earning for the week?

126. In a factory, there are workers, executives and clerks. 58% of the employees are workers, 660 are executives and the remaining 264 employees are clerks. How many employees are there in the factory?

127. The total number obtained by a student in Physics, Chemistry and Mathematics together is 120 more than the marks obtained by him in Chemistry. What is the average mark obtained by him in Physics and Mathematics together?

128. Find the number of zeroes in 10 x 20 x 30x……x 1000.

129. A man sells 2 commodities for Tk. 4000 each, neither losing nor gaining in the deal. If he sold one commodity at a gain 25% then what is the cost price of another commodity?

130. A worker was hired for 7 days. Each day, he was paid Tk. 10 more than what he was paid for the previous day of work. The total amount he was paid in the first 4 days of work equaled the total amount he was paid in the last 3 days. What was his starting pay?

131. The present ratio of students to teachers at a certain school is 30 to 1. If the number of students were to increase by 50 and that of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?

132. The average monthly income of P and Q is Tk.5050. The average monthly income of Q and R is Tk.6250 and the average monthly income of P and R is Tk.5200. Calculate the monthly income of P.

133. A man needs money for 120 days. He asked the banker for a loan and the banker charged Tk. 360 @ 6% per annum. What is the amount of loan?

134. The perimeter of a rectangle is 20cm. If the length of the rectangle is 6cm, then its breadth will be.

135. The diameter of the driving wheel of a bus is 140 cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 km per hour?

136. What is the total sum of all the interior angles of a parallelogram?

137. If $x/y=1/3$ then the value of $(x^2+y^2)/(x^2-y^2)is-$

138. A clock seen through a mirror, shows quarter past three. What is the correct time shown by the clock?

139. Ruby's height is 5'2". Ana is taller than Ruby but she is not taller than Pamela. Pamela is shorter than her cousin Rony but she is not shorter than Ruby. Who is the tallest in the group?

140. The average daily wage of 10 workers is Tk. 400 If the lowest wage is Tk.300, then what is the possible maximum wage?

141. The area of the floor of an auditorium is 600 sq. meter. How many unbroken tiles of dimension 10 x 30 cm³ will be required to cover the floor completely?

142. M is a girl and has the same number of brothers as sisters. N is a boy and has twice as many sisters as brothers. M and N are the children of Q. How many children does Q have?

143. In a class, 120 students are male and 100 students are female. 25% of male students and 20% of female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?

144. The ratio of the angles of a triangle is 2 : 3 : 4. What is the largest angle in degrees?

145. If length and width of a rectangular plot were each increased by 20%, what would be the percentage increase in the area of the plot?

146. How many numbers from 11 to 50 are there which are exactly divisible by 7 not by 3?

147. If 5 students run a mile in 5 minutes, how much time will 50 students take to run a mile?

148. 10 minutes after a plane leaves the airport, it is reported to be 40 miles away. What is the average speed in miles per hour of the plane?

149. A cake is divided into 18 pieces. If Rehana takes 1 / 3rd of the cake and Rashed takes 1 /3rd  of the cake left, how many pieces are left?

150. How much would I have to pay for a book which cost Tk 70 to produce, if the printing company sold it to a book seller at 20% profit and the book seller sold it to me at a profit of 25%?

151. A man borrowed some money for 120 days. He asked the banker for the money and the banker charged Tk.360 as interest @6% per annum. What was the amount he borrowed?

152. A glass when full of milk, weighs 1 kg. It weighs 0.75 kg when the glass is half full. What is weight of the empty glass?

153. How many pieces of 85 cm length stick can be cut from a 42.5 meters long stick?

154. A is 3 years older than B and 3 years younger than C.B and D are twins How older is C than D?

155. Nafiza bought a ticket of a cricket match for Tk. 25 and later sold the ticket to Raida for Tk. 75. What was the percent increase in the price of the ticket?

156. If the product of three consecutive integers is 720, then the sum of the two largest integers is -

157. What percent of 700 is 2.1 ?

158. If ${(2x-1)}^2=100$ hen which one of the following could equal x?

159.

Square ABCD is inscribed in a circle. whose radius is 4cm. Calculate the area of the square.

160. What is the value of $\sqrt{10+\sqrt{25+\sqrt{108+\sqrt{15}4 +225}}}$

161. In a set of 3 numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?

162. if a+b+c = 0 , the value of $\frac{a^2}{bc}$+$\frac{b^2}{ca}+\frac{c^2}{ab}$

163. The perimeters of two squares are 40cm and 30cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares.

164. A train crossed a platform in 45 seconds travelling with a speed of 36 km/h. If the length of train is 200 meters, then what  will be the length (in meters) of the platform?

165. A machine is sold at a profit of 10%. Had it been sold for Tk. 40 less, there would have been a loss of 10%. What was the cost price?

166. A group of 20 friends formed and investment club, with each member contributing an equal amount to the general fund. The club then invested the entire fund, which amounted to t taka, in stock X. The value of the stock subsequently increased 40 percent, at that point the stock was sold and the proceeds divided evenly among the members. In terms of t, how much money did each member of the club receive from the sale?

167. A rectangular sheet of paper, 10 cm long and 8 cm wide has squares of side 2 cm cut from each of its corner. The sheet is then folded to form a tray of depth 2cm. What is the volume of this tray?

168. Three coins are tossed. Find the probability of exactly 2 heads-

169. Which is the larger between two numbers if they are in the ratio of 6: 13 and their least common multiple is 312?

170. What would be the value of 20% of m as a percentage of p, if 8% of m = 4% of p?

171. For a research purpose 2500 individuals were interviewed. Among them 750 persons have bank accounts in State Owned Commercial Banks (SOCBS) and 2250 persons have bank accounts in Private Commercial Banks (PCBs). How many of them have bank accounts in both SOCBS and PCBs?

172. A rhombus is a quadrilateral-

173. There are 3 doors to a lecture room. In how many ways can a lecturer enter the room from one door and leave from another door ?

174. Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between point A and D?

175. If 0 < x ≤ 1, then which one of the following is the maximum value of ${(x-1)}^2+x ?$

176. What is the difference between the amount of interest eamed on a principal of Tk. 100 for 2 years at 10% simple interest rate and 10% compounding interest rate?

177. Bowl S contains only marbles.If $\frac{1}{4}$ of the marbles were removed, the bowl would be filled to $\frac{1}{2}$ of its capacity. If 100 marbles were added, the bowl would be full. How many marbles are in bowlS?

178. A, B, C, D and E are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers was deleted?

179.

The simple interest on a sum of money at 8% per annum for 6 years is half the sum. the sum is-

180.

A person buys certain number of marbles at 20 per taka and an equal number at 30 per taka. He mixes them and sells them at 25 per taka. His gain or loss in the transaction is-

181.

In a 500m race, the ratio of speeds of two contestants A and B is 3: 4. A has a start of 140m. Then A wins by-

182.

A boat goes 13km upstream in 39 minutes. The speed of stream is 3km/hr. The speed of boat in still water is-
 

183.

If the nth terms of an arithmetic progression is 4n+1, then the common difference is-

184.

Which number replaces the question mark?

185.

The average length of the sides of ∆ABC is 12. What is the perimeter at ∆ABC?

186. Find out the wrong number in the series: 190, 166, 145, 128, 112, 100, 91

187. There are 23 poles with a constant distance between each pole. A car takes 24 seconds to reach the 12th pole. How much more time will it take to reach the last pole?

188. Average of ten positive numbers is x. If each number increases by 10%, then x-

189. What percentage of numbers from 1 to 70 have squares that end in the digit 1 ?

190. If $\frac{x}{y}+\frac{y}{x}=6,$ the value of $\frac{x^3}{y^3}+\frac{y^3}{x^3} is$

191. The lengths of two sides of a triangle are 7 and 11. If the length of the third side is an integer, what is the least possible perimeter of the triangle?

192. The number 3 divides 'a' with a result of 'b' and a reminder of 2. The number 3 divides 'b' with a result of 2 and 'a' reminder of 1. What is the value of 'a'?

193. A boy read 3/8 th of a book on one day and 4/5 th of the remainder on another day. If there were 30 pages unread, how many pages did the book contain?

194. f x > 2 and x < 3 then which of the following is positive? (1) (x - 2)(x - 3) (II) (2 - x)(x - 3) (III) (2 - x)(3 - x)

195. In every 30 minutes the time of a watch increases by 3 minutes. After showing the correct time at 5 a.m. What time will the watch show after 6 hours?

196. The area of a squeare is three-fifths the area of a rectangle. the length of the rectangle is 25 cm and its breadth is 10 cm less than its length. What is the perimeter of the square?

197. In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green?

198. In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

199. $$\begin{gathered} if x = a+\frac{1}{a} and y =a-\frac{1}{a} then \\ {x}^4+y^4-2x^2{y}^2 =? \end{gathered}$$

200. The area of a rectangle R with width 4 feet is equal to the area of a square S, which has a perimeter of 24 feet. The perimeter of the rectangle R is-

201. If a, b, and c are the lengths of the three sides of a triangle, then which of the following is true?

202. What would be the measure of the perimeter of a square whose area is equal to 256 square cm?

203. If the radius of a circle is increased by 100%, by what % is the area of the circle increased?

204. The average temperature for the first 4-days of a week is 40,2º C and that of the last 4-days is 41.3°C. If the average temperature for the whole week is 40.6° C, then temperature on the fourth day is -

205. The value of a machine is Tk.6250. Its value decreases by 10% during the first year, 20% during the second year and 30% during the third year. What will be the value of the machine after 3 years?

206. The daily rate for a hotel room that sleeps 4 people is Tk. 390 for one person and X taka for each additional person. If 3 people take the room for one day and each pays Tk 210 for the room, then what is the value of X?

207. If a 240-metre-long metro rail passes a pole in 24 seconds, how long will it take to pass a 650-metre-long platform?

208. A plane traveling at 600 miles per hour is heading for Chittagong airport. At 3.58 pm it was 30 miles from the airport. At what time it will arrive at 600 at the airport?

209. A school has only the classes having 20, 30 and 40 students respectively. The percentages of students passed are 30%, 50% and 60% respectively. The percentage of passed students in the entire school is-

210. A clock seen through a mirror, shows quarter past three. What is the correct time shown by the clock?

211. The average of five consecutive integers is X. If the next two numbers are added, how shall the average vary?

212. How many ways the letters of the word 'BANKS' can be arranged?

213. In a T-20 cricket match, the number of boundaries scored was twice the number of over boundaries by a team. The team took 22 single runs, no two or three runs and could not score from 38 deliveries. How many runs did the team score?

214. A motorcyclist completes a certain journey in 5 hours. He covers one-third distance at 60 km/hour and the rest 80 km/hour. The length of the journey is-

215. If Masud can do a job in P days, while Minhaz can do the same job in Q days separately, how long will it take to finish the job if they work together?

216. In a class of 60, 32 studied English, 28 studied Bengali and 6 did not study either. How many of the students studied both?

217. Six years ago, Hena was 1/4th of the age she will be after 12 years from now. How old is she now?

218. The difference between two numbers is 5 and the difference between their square is 65. What is the smaller number?

219.

The price of a T. V Changed from 240 Taka to 300 Taka. What is the percentage increase?

220.

If two conins are tossed, what is the probability of getting at least one head?

221.

If you write down all the numbers from 1 to 100, then how many times do you write 5?

222.

Count the number of tringles and squares in the following figure:

223. The price of a T. V Changed from 240 Taka to 300 Taka. What is the percentage increase?

224. The formula $b+\frac{x}{a}=c$ s rearranged to make x the subject. What is x ?

225. If the universal set consists of two sets A and B, then the complementary set of A is-

226. If sin x + cos x = 1 , then x = ?

227. If the ratio of two numbers is 3 : 4 and their least common multiple is 60, then the numbers are-

228. If a ladder touches the roof of a wall and makes an angle of 30° with the 15 meter long wall, then the length of the ladder is-

229. The area of a circle is $36\mathrm{\pi } {\mathrm{cm}}^2$ the circumference is equal to

230. How many prime numbers are there between 50 and 60?

231. Given ${16}^x=4^4$ What is x?

232. If logx 144 = 4 then x = ?

233. If x is a natural number and $S=\{x^2\ge 64 and x^3<1000\}then s=?$

234. The highest common factor (HCF) of $x^2-1,x^4-1x^2-1,x^4-1 and$ $x^4-x^3+x-1x^4-x^3+x-1is$

235. A man paid tax on 9000 Taka at 30%. He paid the tax in 12 equal payments. Each payment was.

236. The line y = 2x - 1 cuts the x -axis at P. The coordinates of P are

237. What is the value of sin $45°$ ?

238. At x = 0, the value of f(x) = $e-x^2$is equal to-

239. Which of the following is a perfect square?

240. The range of $f\left(x\right)=\frac{1}{x+1} is:$

241. If $x^2+4x+4=0$ , then the value of x is:

242. The number of subsets of a set with 5 elements is:

243. Find the midpoint of the line segment joining the points $P_1=(4,-3)and p_2=(6,1)$

244. A train travels 180 km in 3 hours. What is its average speed?

245. If tan A = 3/4 then sec A =:

246. The slope of a line perpendicular to one with slope 2 is:

247. The value of cos $60°$ is is:

248. A person spends 80% of his income. If he earns $5000, what is his savings?

249. The solution to the system x + y = 5, x - y = 1 ls

250. If A =$\left(\begin{array}{cc}1& 2\\ 3& 4\end{array}\right)$ then the trace of A Is:

251. if A = {1, 2, 3} B = {2, 3, 4} then AUB =:

252. Find an equation for the line with x- intercept = 2, Y - Intercept=-1 .

253. State the the order order of o the matrix $\left(\begin{array}{ccc}2& -3& 0\\ 5& 1& -4\end{array}\right)$

254. The solution to ${\log }_{2^{x=5 is:}}$

255. Which of the following is irrational?

256. Find an equation of the horizontal line containing the point (3, 2).

257. The value of $\underset{x\to 0}{\lim } \frac{\sin x}{x}$

258. What comes next in the series: 2, 6, 12, 20, 30, _____ ?

259. If sum of two consecutive numbers is multiplied by 5, then the result is 105. What are the numbers?

260. Triangle PQR has angles in the ratio of 2 : 3 : 5. Which type of triangle is PQR?

261. The area of a rectangle that has length = $2a^{2}b$ and breadth = $3a{b}^2$ is:

262. The volume of a cuboid with length, breadth and height as $5x,3x^{2 }and 7x^4$ respectively is:

263. If $p\times q=p+q+\frac{p}{q}$ then according to this the value of 8 × 2 is?

264. What is the probability of rolling an even number on a standard six-sided die?

265. Solve for x: ${\log }_2 (x+3)=4$

266. $solve for x \sqrt{(2x-3)} =5 Solve for x$

267. How many years will it take for an investment of Tk.5000 to earn Tk. 1200 in simple interest rate of 6%?

268. If an exponent or index has base 25 and power zero, then which of the following will be its value?

269. A mango kept in a basket doubles in every one minute. If the basket gets completely filled in 30 minutes, then in how many minutes will half of the basket be filled?

270. What is the slope of a line perpendicular to the line whose equation is 20x-2y=6 ?

271. Karim weighs 65.7 kg. If he reduces his weight in the ratio 5 : 4, find his reduced weight in kg.

272. If Px = Qy = Rz and Q / P = R / Q then 2z / (x + z) = ?

273. If a right-angled isosceles triangle has base 4 cm, then height is:

274. If $x^2+2xy+y^2=25 and xy =6$ then x+y is:

275. What is the LCM of 12, 15, and 20 ?

276. A can do a work in 20 days, and B in 30 days. They work together for 6 days. How much of the work is left?

277. If measures of the angles in a triangle are in the ratio of 1:2:6, then the degrees in the largest angle:

278. In a class of 78 students, 41 are taking French, 22 are taking German and 9 are taking both courses. How many students are not enrolled in either course?