Maths / Direct and Inverse Variation / Inverse Variation

QUESTION

6 men can complete an assignment in 10 days. In how many days the same assignment will be completed by 20 men?

 OPTIONS A. 4 days B. 2 days C. 3 days D. 6 days
Right Option : C

EXPLANATION
Explain TypeExplanation Content
Text

$\\6\;men\;can\;complete\;an\;assignment=10\;days\\\\ 1\;men\;can\;complete\;an\;assignment=\frac{1}{10\times 6}\\\\ 20\;men\;can\;complete\;same\;assignment=\frac{1}{10\times 6}\times 20\\\\ =\frac{20}{60}=\frac{1}{3}\\\\ Thus,\;20\;men\;complete\;an\;assignment\;in\;3\;days$

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