1. If f(t) =t/(t+2), t not = 0 , what is the value of f $\frac{1}{2}?$

2. Three -fourth petrol of a reservoir is used to fill the petrol tanks of five trucks having the same storage capacity, what part of the total capacity of the petrol reservoir did each truck receive?

3. A boat sails m miles upstream at the rate of r miles per hour. If the rate of the stream is s miles per hour, how long will it take the boat to return to its starting point?

4. what is the measure of $\angle BCA?$

5. In triangle $$\begin{gathered} △CDE,AD=BE and CD<CE. \\ which of the following is true \end{gathered}$$

6. In the figure below , the angles x and y are equal . If AB>AC, which of the following is true?

7. Two third of the faculty members of a department are female. Twelve of the male faculty members are unmarried, while 60% of them are married. The total number of faculty members in the department is :

8. If 10% of r is 20% of s. is 20% of s is 30% of t and 100% of r is x% of t, then x is ----

9. If r=18 and r/s = 6/y, then y/s is ----

10. The temperature in a home freezer varies from 25 degree F to 3 degree F. What is the difference, in Celsius, between these two temperatures?

11. If p number of pencils cost c paisa, how many pencils can be bought for taka?

12. In an examination of four subjects, a student got 70,80, 90 and x marks and his average was 75. What was the value of x?

13. Three times a number minus 7 is 32. What is the twice of the number?

14. A boat sails m miles upstream at the rate of r miles per hour. If the rate of the stream is s miles per hour, how long will it take the boat to return to its starting point?

15. Three-fourth petrol of a reservoir is used to fill the petrol tanks of five trucks having the same storage capacity. What part of the total capacity of the petrol reservoir did each truck receive?

16. Half of the student of a school play football and one third of the rest play cricket. The remaining 300 students do not play either of the games. How many students are there in the school?

17. A man has 72 green marbles and 108 red marbles. He decides to pack them into packets of the same size, each containing either all red or all green marbles. What is the greatest number of marbles he can put in each packet?

18. A car travels 180 km from A to B at 60 kilometers per hour and returns from B to A along the same route at 90 kilometers per hour. The average speed, in kilometers per hour, for the round trip is :

19. How long would it take a man cycling at 30 miles per hour to cover a distance of 44 feet?

20. A car travels at the rate of 50 miles per hour. How many minutes will it take to travel 2/5 miles at this speed?

21. If the co-ordinates of A and B are (4, 1) and (-2, 7) respectively, then the co-ordinates of the midpoint of AB are.

22. A man runs x miles in m minutes. What is his rate of run in miles per hour?

23. A salesman travels a distance of 70 miles in 2.5 hours. How much faster, in miles per hours, must he travel to make the same trip in 0.75 hours less time?

24. A bag of chicken feed can feed 18 chickens for 54 days. For how many days will it feed 12 chickens?

25. If a pipe fills a tank in h hours what part of the tank does it fill in 2 hours?

26. What is the value of a -9, if 36/a=4?