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Question

Quantitative Aptitude Question on Ratio and Proportion

When Rajesh's age was same as the present age of Garima, the ratio of their ages was 3 : 2. When Garima's age becomes the same as the present age of Rajesh, the ratio of the ages of Rajesh and Garima will become

A

5 : 4

B

2 : 1

C

4 : 3

D

3 : 2

Answer

5 : 4

Explanation

Solution

Let's denote Rajesh's present age as R and Garima's present age as G.

Given, when Rajesh's age was G, the ratio of their ages was 3:2. So, we can write:

RGG=32\frac{R - G}{G} = \frac{3}{2}

We need to find the ratio when Garima's age becomes R. So, the ratio will be: RG+(RG)=RR=1\frac{R}{G + (R - G)} = \frac{R}{R} = 1

Therefore, the ratio of their ages will be 1:5.