‘A’ does \(\frac{4}{5}^{th}\) of work in 20 days. He then calls ‘B’ and they together finish the remaining work in 3 days. How long ‘B’ alone would take to do the whole work?

‘A’ does \(\frac{4}{5}^{th}\) of work in 20 days. He then calls �

1.	‘A’ does \(\frac{4}{5}^{th}\) of work in 20 days. He then calls ‘B’ and they together finish the remaining work in 3 days. How long ‘B’ alone would take to do the whole work?
A.	23 days
B.	37 days
C.	371⁄2 days
D.	40 days
Answer» D. 40 days

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‘A’ does \(\frac{4}{5}^{th}\) of work in 20 days. He then calls ‘B’ and they together finish the remaining work in 3 days. How long ‘B’ alone would take to do the whole work?

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