Group 1 Model QP

1.A sphere and a cylinder have equal volume and equal radius. The ratio of the curved surface area of the cylinder to that of the sphere is

4:3 2:3 3:2 3:4

2.Two numbers are in the ratio 3 : 5. If 9 is subtracted from each number, then there are in the ratio of 12 : 23. What is second number?

44 55 66 77

3.A bag contains coins of Rs1, Rs2 and Rs5 denomination in the ratio 2 : 3 : 4. If total amount is Rs280.Find the number of coins of Rs5

20 30 35 40

4.The present ages of A, B and C are in the ratio 8 : 14 : 22 respectively. The present ages of B. C and D are in the ratio 21 : 33 : 44 respectively. Which of the following represents the ratio of the present ages of A, B, C and D respectively?

12:21:33:44 12: 22: 31: 44 12: 21: 36: 44 None of These

5.A started a work and left after working for 2 days. Then B finished the remaining work in 9 days. Had A left the work after working for 3 days, B would have finished the remaining work in 6 days. In how many days B alone can finish the work?

5 days 6 days 10 days 15 days