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A hostel is to be built for schoolgoing girls. Two toilets are to be built for every 15 girls. If 75 girls will be living in the hostel, how many toilets will be required in this proportion? - Mathematics

Sum

A hostel is to be built for schoolgoing girls. Two toilets are to be built for every 15 girls. If 75 girls will be living in the hostel, how many toilets will be required in this proportion?

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Solution

Let us suppose x toilets will be needed for 75 girls.

The ratio of the number of toilets to the number of girls is `2/15`.

∴ `x/75 = 2/15`

∴ `x/75 xx 75 = 2/15 xx 75`................(Multiplying both sides by 75)

∴ x = 2 × 5 

∴ x = 10

∴ 10 toilets will be required for 75 girls.

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