(7) कुर्सियों में से (3) कुर्सियां चुनने के कितने तरीके हैं?
How many ways are there to select (3) chairs from (7) chairs?
Explanation opens after your attempt
B. (35)
Concept
No arrangement is required, so \(\binom{7}{3}=35\). Choosing chairs is a combination.
Why this answer is correct
The correct answer is B. (35). No arrangement is required, so \(\binom{7}{3}=35\). Choosing chairs is a combination.
Exam Tip
चयन में व्यवस्था नहीं करनी है इसलिए \(\binom{7}{3}=35\) है। कुर्सियां चुनना संयोजन है।
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