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Question

15 men can build 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?


Solution

Number of men employed to built the 16.25 m long wall = 15
Number of men required to built a 1 m long wall = 1516.25                       

Number of men that should be employed to built a 26 m long wall = 1516.25×26 = 24
∴ 24 men should be employed to build a wall of length 26 m in a day.

Mathematics
RS Aggarwal (2017)
Standard VII

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