# Easy Algebra Solved QuestionAptitude Discussion

 Q. The ratio of ages of a father and son is $17:7$ respectively. 6 years ago the ratio of their ages was $3:1$ respectively. What is the father's present age?
 ✖ A. 64 ✔ B. 51 ✖ C. 48 ✖ D. 54

Solution:
Option(B) is correct

Let the present age of the father and son be $17x$ years and $7x$ years.

According to Question:

$\dfrac{(17x-6)}{(7x-6)}=\dfrac{3}{1}$

Father's present age $=17x= 51$ years

## (3) Comment(s)

Girish
()

it is given

ratio is 17:7

Sravan Reddy
()

Killing it: (took 5 sec)

ratio - 17:1. so father age is a multiple of 17. only possible value in options - 51. No need to even recheck :)

Sravan
()

Sorry, the ratio is 17:7. Still the method is same.