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If 15 men can repair a road in 24 days then how will it take nine men to repair the same Road answer through unitary method |
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Answer» ong>ANSWER The easiest way to determine solution for such problems is knowing the proportions. 15 men take 24 days, assume 30 men it will take 12 days and assume 7 or 8 men it will be 48 days. The pattern involves inverse proportions, lesser men more days and vice versa. Coming back we NEED to find 9 men time period which suggests 15*24/9 = 40 days is actual solution. |
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