Question

in a class,girls are 60% of the total students and boys are 18 in number.How many students are there in the class?​

Answer 1

The best way to answer is to write the Given Data first neatly. You can follow the steps that i usually follow while solving such problems which make many things easy. Also this applies only to solutions which are directly proportionate and not inversely proportionate.

60% = x ( number of boys)

40% ( which is 100%-60% ) = 14 ( number of girls)

Cross Multiply

x = (60 x 14) / 40

x = 21.

Hence the number of boys are 21. So the total number of students are : 21 + 14 = 35.

Hope it helps :)

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Answer 2

here is your answer mate. ..

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