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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

`19` years

B

`29` years

C

`39` years

D

`49` years

Text Solution

Verified by Experts

The correct Answer is:
C
`N//A`
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