Question

Ram can do a piece of work in 12 days and Shyam can do the same work in 20 days. They both started work together, Ram left 4 days before the completion of the work. Then the total work is completed in how many days?

A 10days Correct Answer Incorrect Answer
B 12days Correct Answer Incorrect Answer
C 15days Correct Answer Incorrect Answer
D 8days Correct Answer Incorrect Answer

Solution

Required Answer = [((20-4) ×12)/ (12+20)] + 4 = (16 × 12)/32 + 4 = 10 days

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