Question
A and B can complete a work together in 48 days. A is 4
times as work efficient as B. In how many days can B alone complete the work?Solution
ATQ, Efficiency A : B = 4 : 1 If B does 1 unit of work A will do 4 units of work. So in a day, they will complete 5 units of work together. Total work = (48days × 5units/ day) = 240 units B can complete the whole work alone in
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