Question
A is five times as efficient as B and can finish a piece
of work in 36 days less than B. B can finish this work in how many days?Solution
Ratio of efficiency of A and B = 5: 1
A will take 1/5 of time as compared to B.
Say, B takes 5x days and A takes x days.
∴ 5x – x = 36 ⇒ x = 9
∴ B takes 9 × 5 = 45 days to do the work.
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