3of a class of 45 are girls. Find the number of boys in the class5 – InterviewSolution

1.

3of a class of 45 are girls. Find the number of boys in the class5

Answer»

(3/5) of a class are girls. (2/5) of the class are boys. So, number of boys = (2/5)*45= 2*9 = 18

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total 5 part of class 3 part of girl & 2part of boys , girls are 45,. 45/5=9,& 2*9=18 boyes

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