Question

Rajitha's present age is three years less than twice her age 12 years ago. Also, the ratio of Raj's present age to Rajitha's present age is 4:9. What will be Raj's age after 5 years ?
A) 17 yrs
B) 16 yrs
C) 19 yrs
D) 21 yrs

Answer 1

Let the present age of Raj and Rajitha be 4x and 9x.
Then, according to question,
9x = 2(9x-12)-3 => 9x = 27 => x = 3
Raj's present age = 4x = 12yrs, 
After 5 years Raj's age will be 12 + 5 = 17 yrs.

Answer 2

Answer: A) 17 yrs

Explanation:

Let the present age of Raj be =4x

and Rajitha age be =9x.

Then, according to question,

==>9x = 2(9x-12)-3

=> 9x = 27

=>x = 3

◆Raj's present age = 4x = 4(3) = 12yrs,

◆After 5 years Raj's age will be 12 + 5 = 17 yrs.