36 men can do a piece of work in 12 days. In how many days 9 men can d – InterviewSolution

1.

36 men can do a piece of work in 12 days. In how many days 9 men can do the same work?

Answer»

Number of workers and number of days are in inverse proportion

∴ x₁ y₁ = x₂ y₂ let y₂ = x (say)

= 36 × 12 = 9 × x

x = (36 x 12)/9 = 48

∴ x = 48 days

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