P and Q can do a piece of work in 20 days and P alone can do it in 30 days. In how many days can B d

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Accepted Answer

ATQEfficiencyworkTimeTheefficiencyofPandQin1dayis120TheefficiencyofPin1day130ThereforetheefficiencyofQin1dayis120130160ThereforeQwilltake60daystocomplete

Question

P and Q can do a piece of work in 20 days and P alone

Solution

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Question

P and Q can do a piece of work in 20 days and P alone

Solution

Relevant for Exams:

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