Question

If 10 men, working 7 hours a day dig. 7 a trench 147m long, how many men working 8 hours a day will dig a tread 8 168m long of the same depth and breadh as the first in the same number of day?​

Answer 1

Answer:

$10x7=70 \\147-70=77$

How  many men working 8 hours a day will dig tread 8168m ?

$answer$: 10 men are required to dig a trench 168m long in 8hours a day. So, it means if the same no. of men works 8 hours a day, they will be able to dig a 168m long trench.

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Answer 2

Answer:

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Explanation:

Therefore, 10 men are required to dig a trench 168m long in 8hours a day.