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If A is twice as efficient as B, and A a...

If A is twice as efficient as B, and A and B together can complete a work in 20 days, then find the number of days in which B can do the work alone.
(a)60 days
(b) 50 days
(c)30 days
(d)40 days

A

60 days

B

50 days

C

30 days

D

40 days

Text Solution

Verified by Experts

The correct Answer is:
A
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