can 20men WUNng a nous pui cu

4.

175 men can dig a canal 3150 m long in 36 days. How many men are required to dig a

canal 3900 m. long in 24 days?

of a book.

# can 20men WUNng a nous pui cu

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Answer:In 36 days 175 men dig 3150 m long canal.

one man in one day digs 3150/(36×175) m long canal.

one man in 24 days can dig (3150×24)/(36×175) m long canal.

to dig 3900 m long canal in 24 days ,no of men is to be provide =3900÷{(3150×24)/(36×175)}

=(3900×36×175)/(3150×24)

=(78×50×12×3×175)/(63×50×12×2)

=(78×3×175)/(63×2)

=(39×175)/(21)

=(13×175)/7

=13×25

=325

325 men are required

Step-by-step explanation: