A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

A does 80% of a work in 20 days. He then calls in B and they together

1.	A does 80% of a work in 20 days. He then calls in 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.	37
D.	<img src="/_files/images/aptitude/1-div-1by2.gif" alt="1/2">
E.	40 days
Answer» D. <img src="/_files/images/aptitude/1-div-1by2.gif" alt="1/2">

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A does 80% of a work in 20 days. He then calls in 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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