1.

A 90 men can do a piece of work in 40days .In how many days will 30 men complete the same work?​

Answer»

Step-by-step explanation:

120 DAYS

\frac{90}{30}  =  \frac{40}{x}  \\  \\  \frac{1}{3}  =  \frac{40}{x}  \\  \\  \\ x = 120



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