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What will be the present ages of A and B if the age of A is five years more than that of B and 5 years ago, the ratio of their ages was 3:2?

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20,15

35,20

25,20

35,25

answer is A.

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Detailed Solution

We have to find the present ages of A and B.
Suppose the present age of B is

= X

years.
Then, the age of

A = X + 5

years
Five years ago,

A = X + 5 − 5

and

⇒ B = X − 5

years

So, it can be concluded that the present age for A is 20 years and age for B is 15 years.
Therefore, option 1 is correct.

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