The average marks in maths examination is 93.75 .if the average mark of girls ard 85 and that of boys are are 80 .what is the percentage of girls?
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girl = 93.75 - 85 = 8.75
boys = 93.75 - 80 = 13.75
percentage of girls is = 8.75 × 100 = 0.0875 %
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