Question

Arjun and Bheem can do a piece of work in 8 and 10 days respectively. If they started the work together and worked on it for 3 days, then find the time taken by B alone to complete the remaining work.

A 3.5 days Correct Answer Incorrect Answer
B 4 days Correct Answer Incorrect Answer
C 3 days Correct Answer Incorrect Answer
D 3.25 days Correct Answer Incorrect Answer
E none of these Correct Answer Incorrect Answer

Solution

ATQ, Let we can assume that the total work be 40 units Arjun ’s one-day work will be then= 5 units  Bheem’s one-day work = 4 units  Then, Work done by Arjun and Bheem together in 3 days  = 9 x 3 = 27 days  Therefore, the rest work will be = 40 – 27 = 13 units  Hence, the required number of days will be = 13/4  = 3.25 days

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