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Pumps Working 8 Hours A Day, Can Empty A Tank In 2 Days. How Many Hours A Day Must 4 Pumps Work To Empty The Tank In 1 Day? |
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Answer» Let the REQUIRED no of working hours per day be X. More pumps , LESS working hours per day (Indirect Proportion) Less days, More working hours per day (Indirect Proportion) Pumps4 : 3Days1 : 2}?? 8:x => (4 * 1 * x) = (3 * 2 * 8) => x=12 Let the required no of working hours per day be x. More pumps , Less working hours per day (Indirect Proportion) Less days, More working hours per day (Indirect Proportion) Pumps4 : 3Days1 : 2}?? 8:x => (4 * 1 * x) = (3 * 2 * 8) => x=12 |
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