If 20 men can build a 112 metre long wall in 6 days what will be the length of a similar wall that can be built by 25 men in 3 days?
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Answer:
20 men × 6 days = 112m long
120 = 112m long
1 men 1 day= 112/120
1 men 1 day= 0.933 m long (approx)
25 men × 3 days
=> (25×3) × 0.933
=> 75 × 0.933
=> 69.975 m long
The length of wall built using 25 men in 6 days is => 70m long
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