यदि (60%) विद्यार्थी (A), (50%) विद्यार्थी (B), और (25%) विद्यार्थी दोनों में हैं, तो ठीक एक में कितने प्रतिशत विद्यार्थी हैं?

If (60%) students are in (A), (50%) in (B), and (25%) in both, what percentage of students are in exactly one?

Explanation opens after your attempt
Correct Answer

A. (60%)

Step 1

Concept

Exactly one is ((60%-25%)+(50%-25%)=60%). The common part is not included in exactly one.

Step 2

Why this answer is correct

The correct answer is A. (60%). Exactly one is ((60%-25%)+(50%-25%)=60%). The common part is not included in exactly one.

Step 3

Exam Tip

ठीक एक (=(60%-25%)+(50%-25%)=60%) है। ठीक एक में साझा भाग नहीं लिया जाता।

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यदि (60%) विद्यार्थी (A), (50%) विद्यार्थी (B), और (25%) विद्यार्थी दोनों में हैं, तो ठीक एक में कितने प्रतिशत विद्यार्थी हैं? / If (60%) students are in (A), (50%) in (B), and (25%) in both, what percentage of students are in exactly one?

Correct Answer: A. (60%). Explanation: ठीक एक (=(60%-25%)+(50%-25%)=60%) है। ठीक एक में साझा भाग नहीं लिया जाता। / Exactly one is ((60%-25%)+(50%-25%)=60%). The common part is not included in exactly one.

Which concept should I revise for this Mathematics MCQ?

Exactly one is ((60%-25%)+(50%-25%)=60%). The common part is not included in exactly one.

What exam hint can help solve this Mathematics question?

ठीक एक (=(60%-25%)+(50%-25%)=60%) है। ठीक एक में साझा भाग नहीं लिया जाता।