the number of boys and girls in the class are in the ratio 7:5 the number of boys is eight more than the number of girls what is the total class strenght
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Let ratio be 7x:5x
A/q,
7x-5x=8. 2x=8. x=4
so, total strength =7x+5x =12x =12×4 =48.
A/q,
7x-5x=8. 2x=8. x=4
so, total strength =7x+5x =12x =12×4 =48.
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