The number of boys and girls in a class are in the ratio 7:5.The numbe – InterviewSolution

1.	The number of boys and girls in a class are in the ratio 7:5.The number of boys is 8 more than the number of girls. What is the total class strength?
Answer» Let the no. of girls be 5x No. of boys=7x According to the question 5x+8=7x 7x-5x=8 2x=8 x=8/2 x=4 No. of girls=54=20 no. of boys=74 or 5*4+8=28 Hence the total strength of the class is 20+28=48

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