Question

15 men buid a 16.25−m long wall up to a certain height in one day. How many men should be employed to build a wall of the same height but of length 26 metres in one day?

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Solution

given 15 men can build a 16.25m wall in one day⇒1 men can build 16.2515=1312m length of wall in one day let the number of men required be x⇒x×1312m=26m⇒x=26×1213=24therefore 24 men are required

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