1. Roni can walk a certain distance in 410 days when he rests 9 hours a day. How long will be take to walk twice the distance, twice as face and rest tvwice as long each day?

2. A takes 2 hours more than B to walk d km, but if A doubles his speed, then he can make it in 1 hour less than B. How much time does B require for walking d km?

3. A computer takes 50 nanoseconds to do an addition. How many additions can it do in 1 second?

4. $If \left(\frac{1}{5}\right)=0.008,then find{(0.25)}^y=?$

5. If two non-zero positive integers p and q are such that p=4q and p<8, then q=?

6. If x and y arenegative integers and x-y=1, what is the least possible value for xy?

7. If a.b,c are the lengths of the sides of a traiangle, then which of the following is true?

8. Which is the correct factor analysis of $x^2-2xy-z^3+2yz?$

9. One fifth of a number is eual to 5/8 of another number, it becomes four times of the second number. The second number is -

10. What is the sum of two consecutive even numbers the difference of whose squares is 84

11. IF $\frac{Q}{P}=\frac{1}{4}what is the value of\frac{p+Q}{p-Q}?$

12. If one star equals four circle and three circles equal four diamonds, then what in the ratio of star to diamond?

13. What will be the differemce between simple and compund interest at 10% on a sum of TK. 500 fter 5 years?

14. How many degrees does a minute hand move in 20 minutes?

15. P is a point lying on the line segment AB. Which of the following relation is applicable for all time?

16. $If x^{-3}-0.001=0,find x^2=?$

17. If selling price is doubled, the profit triples, Find the profit percent.

18. If the ratio of two numbers is 3:3 and their L.C.M is 84, then find the greater number.

19. In a simultaneous throw of two dice what is the probability of getting a doublet?

20. Afte getting two successive discounts, a shirt with a list price of 150 taka is available at 105 taka. If the second discount is 12.5% fins the first discount?

21. If x-y=3 then what is the value of $x^3-y^3-9xy?$

22. What is value of $\frac{0.001}{0.1\times 0.1}$

23. A garden has to plant tress in rows containing equal number of trees. If he plants in rows of 6,8,10 or 12. then five tress are ledt unplated. But if he plants in rows of 13 tress each, then no tress is left. What is the number of tress that the gardener plants?

24. A library has an avearage of 510 visitors on Sunday and 240 on other days. What is the average number of visitors per day in the month of June beginning with a Sunday?

1. Consider that 5 computers are connected through mesh topology in a computer network. What are the number of connection lines nende if we want to add 2 more computers in the network?

2. Which of the following is not a valid IPV4 Address?

3. Which input vakue will cause an AND logic gate to produce a HIGH output?

4. Which one of the following is a loop construct that will always be executed be execited once?

5. USB is_______ storage device.

6. Which of the following operating system is an open source software?

7. Ctrl, Shift and Alt are called _____keys.

1. Which ethnic People constitute the world's Largest population?

2. Who has designed the logo of Mujib Year?

3. When was the first case of COVID-19 confirmed in Bangladesh?

4. Which country will host "World Cup U"- 19' in 2022?

5. Which desert is the driest in the world?

6. Which is the largest Muslim ethnic group in China?

7. The length of Dhaka Metro Rail wil be-

8. Which country has the longest national anthem in the world?

9. St. Martin Islam is a -

10. Whch is the most risky zone of earthqueake in Bangladesh?

11. Who were known as"Bargi" in Bengal history?

12. Which is the Largest Rohingya refugee camp in Bangladesh?

13. The Padma Bridge stetches from

14. CEDAW is an UN convention related to the

15. As per the latest change in Bengali Calendar, Leap year is calculated in month

16. Who is the current Vice President of the USA?