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प्रश्न
A class has 30 boys and 25 girls. What is the percentage of boys in the class?
उत्तर
No. of boys = 30
No. of girls = 25
Total number of children = 30 + 25 = 55
∴Percentage of boys in the class
`= 30/55 xx 100`
`= 600/11 = 54 6/11 %`
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