In a school,the number of students are 900.The ratio of boys boys and girls 8 :7.Find the number of boys and girls
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total no.of students in a school = 900
ratio of boys and girls = 8:7
number of boys will be = 900 * 8/15 = 7200/15 = 480
number of girls will be = 900 * 7/15 = 6300/15 = 420
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