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

Question : 1

My grandfather was 9 times older than me 16 years ago. He will be 3 times of my age 8 years from now. Eight years ago, the ratio of my age to that of my grandfather was

a) 1 : 2

b) 1 : 5

c) 2 : 5

d) 3 : 8

Question : 2

The ratio of A’s age to B’s age is 4 : 3. ‘A’ will be 26 years old after 6 years. The age of B now is :

a) 21 years

b) 15 years

c) 12 years

d) 19$1/2$ years

Question : 3

The ratio of the ages of a father and his son 10 years hence will be 5 : 3, while 10 years ago, it was 3:1. The ratio of the age of the son to that of the father today, is

a) 2 : 3

b) 2 : 5

c) 1 : 3

d) 1 : 2

Question : 4

The ratio of the age of a father to that of his son is 5: 2. If the product of their ages in years is 1000, then the father's age (in years) after 10 years will be :

a) 80

b) 100

c) 60

d) 50

Question : 5

The average age of boys in the class is twice the number of girls in the class. The ratio of boys and girls in the class of 50 is 4 : 1. The total of the ages (in years) of the boys in the class is

a) 800

b) 400

c) 2500

d) 2000

Question : 6

The ratio of present age of two brothers is 1 : 2 and 5 years back the ratio was 1 : 3. What will be the ratio of their age after 5 years ?

a) 3 : 5

b) 5 : 6

c) 2 : 3

d) 1 : 4