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A pie chart represents the percentage of students in different classes in a school. Total number of students = 10,000. Class-wise distribution: Class VI: 15% Class VII: 30% Class VIII: 20% Class IX: 10% Class X: 25% Total number of students promoted = 4,500. Promoted students by class: Class VI: 20% Class VII: 50% Class VIII: 10% Class IX: 15% Class X: 5% Question: The number of students who got promoted from Class VI is what percent of the total number of students in that class?

1. 75%
2. 25%
3. 50%
4. 60%

Correct answer: 75%

Solution

Total students in Class VI = 15% of 10,000 = 1,500. Promoted from Class VI = 20% of 4,500 = 900. Therefore, the required percentage = (900/1500) × 100 = 60%, so the given answer key is inconsistent with the data.

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