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Narinder completes 80% of a work in 20 d...

Narinder completes 80% of a work in 20 days. Then Anju also joins and now together finish the remanining work in 3 days. How long does it need for Anju alone complete the work?

A

`37 (1)/2 days `

B

22 days

C

31 days

D

22 days

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The correct Answer is:
A
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