1. Which one of the following numbers can be removed from the set S = (0, 2, 4, 5, 9) without changing the average?

2. If 0 ≤ x ≤ 4 and y > 12 which of the following cannot be the value of xy?

3. If the length  an edge in a cube is $3\sqrt{3,}$what is the length of the longest diagonal?

4. M, N and P were each paid the same hourly rate rate to rate to paint a building.M worked for a full day, N worked for half a day and P worked half as long as N worked. Together they earned BDT 560. How much money did N receive?

5. Kajol riding his bike at 24 km/h reaches his office 5 minutes late. If he would have reached the office 4 minutes earlier than the scheduled time by traveling 25% faster, how far is his office from his house in km?

6. The area of two spheres are in the ratio 1:4. The ratio of their volume is-

7. In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?

8. When $\frac{5}{x}=3and \frac{y}{6}=2then \frac{3+y}{x+5}=?$

9. BDT 385 has been divided among D,E,F in such a way that D receives $\frac{2}{9}$ th of what E and F together receive. In this case D' share is-

10. If 90% of A = 30% of B and B = x% of A, then the value of x is-

11. Afroza is 10 years younger than Firoza. If in 5 years, Firoza will be twice as old as Afroza.How old will Afroza be in 3 years?

12. If the average (arithmetic mean) of 5, 9, k, and m is 12, what is the average of k+7 and m-3?

13. Which of the following fraction is largest?

14. Suha sold a watch at a gain of 5% to Subha and Subha sold it to Aurin at a gain of 4%. If Aurin paid Tk. 91 for it, the price paid by Suha is :

15. If x/y = 3/7, then which of the following cannot be a possible value of (y-x)?