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A and B can do a piece of wok in 72 days...

A and B can do a piece of wok in 72 days, B and C can do it in 120 days, A and C can do it in 90 days. In what time can A alone do it ?

A

55 days

B

120 days

C

110 days

D

60 days

Text Solution

Verified by Experts

The correct Answer is:
B
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