The ratio of ages of two students is 3 : 2. One is older to the other by 5 years. What is the age of the younger student?

A. 2 years
B. 10 years
C. 15 years
D. 20 years

Let the age of younger students = 2x

elder one’s age=3x

3x-2x = 5

x=5 yrs

Age of younger student =10 yrs