#### Question

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

#### Solution

\[\text{ If Ashu works for 8 hours daily, he can finish the work in 18 days } . \]

\[\text{ If he works for 1 hour daily, he can finish the work in } \left( 18 \times 8 \right) \text{ days or 144 days . } \]

\[ \therefore \text{ Number of hours he should work daily to finish the work in 12 days } = \frac{144}{12} = 12\]

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Solution If 9 Girls Can Prepare 135 Garlands in 3 Hours, How Many Girls Are Needed to Prepare 270 Garlands in 1 Hour? Concept: Time and Work.