Kavleen invited 24 of her friends on her birthday party.In the party the ratio of boys and girls was 3 : 5 (excluding Kavleen).Find the number of boys and girls invited by Kavleen on her birthday party.

9, 15

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7, 17

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10, 14

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6, 18

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Solution

The correct option is D 9, 15
Let number of boys and girls be 3x and 5x respectively.
According to question,
$3 x + 5 x = 24 \Rightarrow 8 x = 24 \Rightarrow x = 3$
$∴$ Number of boys =9
Number of girls = 15

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