A does 4/5 of a piece of work in 20 days; He then calls in B and they finish the remaining work in 3 days. How long B alone will take to do whole work ?

A does 4/5 of a piece of work in 20 days; He then calls in B and they

1.	A does 4/5 of a piece of work in 20 days; He then calls in B and they finish the remaining work in 3 days. How long B alone will take to do whole work ?
A.	<table><tr><td rowspan="2">37</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days </td></tr><td align="center">2</td></table>
B.	37 days
C.	40 days
D.	23 days
Answer» B. 37 days

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A does 4/5 of a piece of work in 20 days; He then calls in B and they finish the remaining work in 3 days. How long B alone will take to do whole work ?

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