किसी वेन आरेख में केवल (A) में (18), केवल (B) में (22), केवल (C) में (16), केवल \(A\cap B\) में (11), केवल \(B\cap C\) में (13), केवल \(C\cap A\) में (9) और तीनों में (6) तत्व हैं। कम से कम दो समुच्चयों में आने वाले तत्व कितने हैं?
In a Venn diagram, only (A) has (18), only (B) has (22), only (C) has (16), only \(A\cap B\) has (11), only \(B\cap C\) has (13), only \(C\cap A\) has (9), and all three have (6) elements. How many elements are in at least two sets?
Explanation opens after your attempt
A. (39)
Concept
At least two sets contain (11+13+9+6=39) elements. In this type of question, the centre region is also included.
Why this answer is correct
The correct answer is A. (39). At least two sets contain (11+13+9+6=39) elements. In this type of question, the centre region is also included.
Exam Tip
कम से कम दो में (11+13+9+6=39) तत्व हैं। इस प्रकार के प्रश्न में तीनों वाला केंद्र भी शामिल होता है।
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