Maths / Direct and Inverse Variation / Time and Work

QUESTION

If 9 girl can prepare 135 garlands in 3 hours, how many girls are needed to prepare 270 garlands in 1 hour?

 OPTIONS A. 24 B. 54 C. 27 D. 35
Right Option : B

EXPLANATION
Explain TypeExplanation Content
Text

135 garlands are prepared in 3 hours by 9 girls

1 garland is prepared in 1 hours by $\frac{9 X 3}{135}$ girls

270 garlands  are prepared in 1 hour by

$=\frac{9X 3}{135 } X 270 = \frac{9 X 3 X 270}{135}= \frac{270}{5}=54\;girls$

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