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
A. (22)
Concept
Those who listen to at least one are (46+38-16=68). Those who listen to neither are (90-68=22).
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).
Exam Tip
कम से कम एक सुनने वाले (46+38-16=68) हैं। कोई भी नहीं सुनने वाले (90-68=22) हैं।
Login to save your score, XP, coins and progress.
