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B is 4/3 times as efficient as A. If A c...

B is `4/3` times as efficient as A. If A can complete `5/8` of a given task in 15 days, what fraction of the same task would remain incomplete if B works on it independently for 10 days only ?

A

`3/4`

B

`2/3`

C

`5/8`

D

`4/9`

Text Solution

Verified by Experts

The correct Answer is:
D
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