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12. In a class of 49 students, the number of girls is of the number of boys. Find the number of boysand girls in the class.

Answer»

let no of boys be Xhence girls will be 2/5xhence X+2/5x=497x/5=49X=49*5/7=35.. boyshence girls=2/5x=2/5*35=14 girls



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