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P can complete a piece of work in 12 days while Q can complete the same in 24 days. If they work together and complete it then find the portion of the work done by P is?1. 2/32. 3/43. 4/54. 1/3 |
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Answer» Correct Answer - Option 1 : 2/3 Given: P can do a piece of work = 12 days Q can do a piece of work = 24 days Concept used: Total work = LCM Formula used: Efficiency = Work/Time Calculation Total work = LCM = 24
Taken time = 24/3 = 8 Total work done by P = 8 × 2 = 16 P completed work = 16/24 = 2/3 ∴ Work completed by P is 2/3 of the total work |
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