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S does half as much work as T in (1)/(7)...

S does half as much work as T in `(1)/(7)` of the time taken by T. If together they take 21 days to complete a work, how may days shall S take to complete that work alone?

A

26

B

27

C

28

D

32

Text Solution

Verified by Experts

The correct Answer is:
B
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