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# In a class, there are 20 boys and 40 girls. What is the ratio of the number of boys to the number of girls?

In a class, there are 20 boys and 40 girls. What is the ratio of the number of boys to the number of girls?

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number of boys = 20

number of girls = 40

$\frac{number \ of\ boys}{number\ of\ girls}=\frac{20}{40}=\frac{2}{4}=\frac{1}{2}$

So the required ratio is 1:2

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