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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