If 16 men can dig a trench 150 m long, 2 m wide and 3 m deep in 4 days of 15 hours each, in how many days of 7 hours each will 15 men dig trench 100 m long, 3 m wide and 3 m deep?
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Volume of trench dug before= 150 × 2 × 3 = 900 and new volume= 100 × 3 × 3 = 900. As both are same, it is not going to make any difference. So, new days= 4 × (16/15) × (15/17) = 9(1/7) days
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Volume of trench dug before= 150 × 2 × 3 = 900
and
new volume = 100 × 3 × 3 = 900.
As both are same
it is not going to make any difference.
So,
new days= 4 × (16/15) × (15/17) = 9(1/7) days
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