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Question

Efficiency of A and B are in the ratio of 2 : 3. If both can do a work together in 60 days. Find out how much days A will take to complete the work alone?

A 175 Days Correct Answer Incorrect Answer
B 180 Days Correct Answer Incorrect Answer
C 120 Days Correct Answer Incorrect Answer
D 150 Days Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Efficiency ratio of A : B = 2 : 3 Both work together in = 60 days A take = (total of efficiency × total days)/(A efficiency) = (5 × 60)/2 = 150 days

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