# Aptitude - Problem on Ages

### MCQ

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Q 11.

Present age ratio of A and B is 5:3. The ratio between A's age 4 years ago and B's age 4 years hence is 1:1. Find the age ratio between A's age 4 years hence and B's age 4 years ago.

Options:

• 3:2

• 2:3

• 1:3

• 3:1

Let present age of A and B be 5x and 3x respectively.

Then,

(5x - 4) / (3x + 4) = 1 / 1

or, x = 4

so, required ratio

= (5x + 4) : (3x - 4)

= 3:1

Q 12.

Present age ratio of two sisters is 1:2. 5 years back this ratio was 1:3. Find their age ratio 5 years from present.

Options:

• 3:5

• 5:6

• 1:3

• 4:5

Q 13.

Present age ratio of Salman and Aamir is 5:4 and 3 years hence this ratio will become 11:9. Find the present age of Aamir.

Options:

• 20 years

• 22 years

• 26 years

• 24 years

Q 14.

Present age ratio of X and Y is 5:6 and 7 years hence this ratio will be 6:7. Find the present age of X.

Options:

• 34 years

• 35 years

• 36 years

• 37 years

Q 15.

If Karan is 4 years younger than Arjun and their respective age ratio is 7:9 then what is the age of Karan?

Options:

• 16 years

• 18 years

• 20 years

• None of these

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