type 2 age based ratio & proportion problems Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

The ratio of the ages of two persons is 4 : 7 and the age of one of them is greater than that of the other by 30 years. The sum of their ages (in years) is

a) 70

b) 40k

c) 100

d) 110

Question : 2

The present ages of A and B are in the ratio 3 : 4. Ten years ago, this ratio was 4 : 7. The present ages of A and B are respectively :

a) 24 years, 32 years

b) 27 years, 36 years

c) 21 years, 28 years

d) 18 years, 27 years

Question : 3

The ratio of the age of Ram and Rahim 10 years ago was 1 : 3. The ratio of their age five years hence will be 2 : 3. Then the ratio of their present age is

a) 3 : 4

b) 2 : 5

c) 3 : 5

d) 1 : 2

Question : 4

Eighteen years ago, the ratio of A’s age to B’s age was 8 : 13. Their present ratios are 5 : 7. What is the present age of A ?

a) 50 years

b) 40 years

c) 70 years

d) 60 years

Question : 5

The ratio of the ages of A and B at present is 3:1. Four years earlier the ratio was 4:1. The present age of A is

a) 36 years

b) 32 years

c) 40 years

d) 48 years

Question : 6

The present age of two persons are 36 and 50 years respectively. If after n years the ratio of their age will be 3 : 4, then the value of n is

a) 6

b) 3

c) 7

d) 4