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From a school, 90 boys and 30 girls appeared for a public examination. The average marks of boys is found to be 45% whereas the average marks of girls is 70%. What is the school average? |
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Answer» From a school, 90 boys and 30 girls appeared for a public examination. The average marks of boys is found to be 45% whereas the average marks of girls is 70%. What is the school average? |
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