1.

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

Answer»

The given details are,

In 3 hours, 9 Girls can prepare = 135 garlands

In 1 hour, 9 girls can prepare = 135/3 = 45 garlands

In 1 hour, 1 girl can prepare = 45/9 = 5 garlands

∴ In 1 hour, Number of girls required to prepare 270 garlands = 270/5 = 54 girls



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