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Bihar Police Constable Model Paper 1
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© examsnet.com
Question : 60
Total: 100
In a music school, 70% students are boys. If the total girls are 255 then find out the number of boys?
595
850
540
575
Validate
Solution:
Given:
Percentage of boys = 70%
Total number of girls = 255
Calculation:
Percentage of girls = (100 – 70)%
⇒ 30%
According to the question,
⇒ 30% = 255
⇒ 70% = (255/30%) × 70%
⇒ 595
∴ The number of boys is 595
© examsnet.com
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