(8) बिंदुओं में से (2) बिंदु चुनकर कितनी रेखाएं बनाई जा सकती हैं?
How many lines can be formed by selecting (2) points from (8) points?
Explanation opens after your attempt
Correct Answer
B. (28)
Concept
Two points form one line, so \(\binom{8}{2}=28\). The order of points is not counted.
Why this answer is correct
The correct answer is B. (28). Two points form one line, so \(\binom{8}{2}=28\). The order of points is not counted.
Exam Tip
दो बिंदु एक रेखा बनाते हैं इसलिए \(\binom{8}{2}=28\) है। बिंदुओं का क्रम नहीं गिना जाता।
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