एक सर्वे में (90) लोग हैं, (46) रेडियो सुनते हैं, (38) पॉडकास्ट सुनते हैं, और (16) दोनों सुनते हैं। कोई भी नहीं सुनने वाले कितने हैं?

In a survey of (90) people, (46) listen to radio, (38) listen to podcasts, and (16) listen to both. How many listen to neither?

Explanation opens after your attempt
Correct Answer

A. (22)

Step 1

Concept

Those who listen to at least one are (46+38-16=68). Those who listen to neither are (90-68=22).

Step 2

Why this answer is correct

The correct answer is A. (22). Those who listen to at least one are (46+38-16=68). Those who listen to neither are (90-68=22).

Step 3

Exam Tip

कम से कम एक सुनने वाले (46+38-16=68) हैं। कोई भी नहीं सुनने वाले (90-68=22) हैं।

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Mathematics Answer, Explanation and Revision Hints

एक सर्वे में (90) लोग हैं, (46) रेडियो सुनते हैं, (38) पॉडकास्ट सुनते हैं, और (16) दोनों सुनते हैं। कोई भी नहीं सुनने वाले कितने हैं? / In a survey of (90) people, (46) listen to radio, (38) listen to podcasts, and (16) listen to both. How many listen to neither?

Correct Answer: A. (22). Explanation: कम से कम एक सुनने वाले (46+38-16=68) हैं। कोई भी नहीं सुनने वाले (90-68=22) हैं। / Those who listen to at least one are (46+38-16=68). Those who listen to neither are (90-68=22).

Which concept should I revise for this Mathematics MCQ?

Those who listen to at least one are (46+38-16=68). Those who listen to neither are (90-68=22).

What exam hint can help solve this Mathematics question?

कम से कम एक सुनने वाले (46+38-16=68) हैं। कोई भी नहीं सुनने वाले (90-68=22) हैं।