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