Maths / Direct and Inverse Variation / Time and Work

QUESTION

If 5 men can do a piece of work in 30 days, in how many days can 15 men do the same amount of work?

 OPTIONS A. 10 B. 90 C. 6 D. 12
Right Option : A

EXPLANATION
Explain TypeExplanation Content
Text

Work done by 5 men in 30 days = 1

Work done by 1 men in  1 day = $\dpi{120} \large \frac{1}{5 X 30}$

Work done by 15 men  in 1 day =$\dpi{120} \large \frac{1}{5 X 30} X 15= \frac{1}{10}$

The work will be completed in 10 days

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