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The ratio of present ages of father and ...

The ratio of present ages of father and his son is `4 : 1 and 5` years ago, their ages were in the ratio `7:1`. The present age of son is :

A

10 years

B

8 years

C

3 years

D

5 years

Text Solution

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The correct Answer is:
A
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KIRAN PUBLICATION-RATIO AND PROPORTION -TYPE-IV
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