Question

Ashish and Anil can do a piece of work in 20 days and 28 days respectively. Ashish completed 75% of the work. Find the time taken by Anil to complete the remaining work.

A 15 days Correct Answer Incorrect Answer
B 18 days Correct Answer Incorrect Answer
C 11 days Correct Answer Incorrect Answer
D 7 days Correct Answer Incorrect Answer

Solution

Let the total work be (LCM of 20 and 28) = 140 units Efficiency of Anil = 140/28 = 5 units/day Remaining work = 140 x 0.25 = 35 units Time taken by Anil to complete the remaining work = 35/5 = 7 days

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