1. Divide 81 rupees in 2 : 7 ratio.

A. 18, 63

B. 63, 18

C. 38, 61

D. 16, 38

2. The triplicate ratio of 1 : 3 is

A. 1 : 4

B. 1 : 8

C. 9 : 1

D. 1 : 9

3. The duplicate ratio of 4 : 3 is

A. 16 : 9

B. 8 : 6

C. 9 : 16

D. 3 : 4

4. The inverse ratio of 3 : 2 is

A. 3 : 2

B. 2 : 3

C. 9 : 4

D. 4 : 9

5. Find the fourth proportional to the numbers 6, 8 and 9.

A. 6

B. 8

C. 9

D. 12

6. find the third proportional to 1 and 2.

A. 1

B. 2

C. 3

D. 4

7. The mean proportional between 12 and 3 is

A. 12

B. 3

C. 6

D. 9

8. The ratio between two quantities is 5 : 8. If the first quantity is 65kgs find the other.

A. 96

B. 98

C. 102

D. 104

9. What number has 5 : 1 ratio to the number 10.

A. 42

B. 50

C. 55

D. 62

10. If A : B = 3 : 4 and B : C = 8 : 9, Then A : C is

A. 1 : 3

B. 3 : 2

C. 2 : 3

D. 1 : 2