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A completes 4/5 of a work in 20 days. He...

A completes 4/5 of a work in 20 days. He then calls in B and they together finish the remain ing work in 3 days. How long B alone would take to do the whole work?

A

60 days

B

37.5 days

C

45 days

D

25 days

Text Solution

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The correct Answer is:
B
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  14. A can do a work in 6 days, B can do it in 8 days and C can complete it...

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  15. A and B can do a work in 20 days, B and C can do it in 30 days and C a...

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