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प्रश्न
A class contains 25 children, of which 6 are girls. What percentage of the class are the boys?
उत्तर
Total number of students = 25
Number of girls = 6
Number of boys = (25 − 6) = 19
∴ Percentage of boys = `19/25xx100`
= 19 × 4
= 76%
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