In class of 40 pupils the number of girls is three-fifths of the numbe – InterviewSolution

1.

In class of 40 pupils the number of girls is three-fifths of the number of boys. Find thenumber of boys in the class.

Answer»

let there be X boysgirls are 3/5th of boys=3/5xhence X+3/5x=405x+3x=5*408x=200X=25hence 25 boysso 15 girls.

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