(10) बिंदुओं से कितने रेखाखंड बनाए जा सकते हैं?
How many line segments can be formed from (10) points?
Explanation opens after your attempt
B. (45)
Concept
A line segment needs (2) points. Therefore \(\binom{10}{2}=45\).
Why this answer is correct
The correct answer is B. (45). A line segment needs (2) points. Therefore \(\binom{10}{2}=45\).
Exam Tip
एक रेखाखंड के लिए (2) बिंदु चाहिए। इसलिए \(\binom{10}{2}=45\) है।
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