1.

The ratio of age of Rina and Babita 5 years before was 1 : 2 and the ratio of their present age is 7 : 9 find the present age of Babita.1. 9 years2. 5 years3. 6 years4. 7 years

Answer» Correct Answer - Option 1 : 9 years

Given:

Age ratio of Rina and Babita (5 years before) = 1 : 2

Ratio of their present age = 7 : 9

Calculations:

Let the present ages of Rina and Babita be 7x and 9x

So, the ratio of their ages 5 years ago:

(7x – 5) ∶ (9x – 5) = 1 ∶ 2

⇒  14x  – 10 = 9x – 5

⇒  x = 1

∴ The present age of Babita is 9 × 1 = 9 years



Discussion

No Comment Found

Related InterviewSolutions