Question

The ratio of age of A and his son is 5:2. If the difference of their ages 5 years ago is 21, then find the sum of the ages of A and his son together 11 years hence.

A 60 years Correct Answer Incorrect Answer
B 65 years Correct Answer Incorrect Answer
C 76 years Correct Answer Incorrect Answer
D 80 years Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Let the present age of A and his son be 5x and 2x respectively. => (5x – 5) – (2x – 5) = 21 => x = 7 Required sum = [(5 + 2) × 7] + 11 = 60 years

Practice Next

Relevant for Exams:

×
×