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In 10 years, A will be twice as old as B...

In `10` years, `A` will be twice as old as `B` was `10` years ago. If at present `A` is `9` years older than `B`, then present age of `B` is `:`

A

39 years

B

40 years

C

36 years

D

49 years

Text Solution

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The correct Answer is:
A
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UPKAR PUBLICATION -PROBLEM BASED ON AGES-QUESTION BANK
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