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In a class of 50 students, 40% are girls. The number of boys in the class is
1. 25
2. 20
3. 24
4. 30

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Correct Answer - Option 4 : 30

Given:

Total students = 50

Percentage of girls = 40%

Calculations:

Total number of girls = 50 × 40%

⇒ 20

Total number of boys = 50 - 20

⇒ 30

∴ The number of boys in the class is 30.

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