Ration & Proportion

1

What is the ratio whose terms differ by  40 and the measure of which is  `2/7` ?

A. 16 : 56
B. 14 : 56
C. 15 : 56
D. 16 : 72

2

A sum of Rs. 53 is divided among  A, B, C in such a way that A gets Rs. 7 more than what  B gets and B gets Rs.

8 more than what  C gets . The ratio of their share is :

A. 16 : 9 : 18
B. 25 : 18 : 10
C. 18 : 25 : 10
D. 15 : 8 : 30

3

A certain amount was divided between  A and B in the ratio  4 : 3 . If B's share was Rs. 4800, the total amount was :

A. Rs. 11,200
B. Rs. 6400
C. Rs. 19,200
D. Rs. 39,200

4

Which of the following ratio is greatest ?

A. 7 : 15
B. 15 : 23
C. 17 : 25
D. 21 : 29

5

A and  B are two alloys of gold and copper prepared by  mixing  metals in the ratio 7 : 2 and 7 : 11  respectively . If equal quantities of the  alloys  are melted to from a third alloy C , the ratio of gold and  copper in  C will be :

A. 5 : 7
B. 5 : 9
C. 7 : 5
D. 9 : 5