(13) बिंदुओं में से (2) बिंदु चुनकर कितने रेखाखंड बनाए जा सकते हैं?

How many line segments can be formed by choosing (2) points from (13) points?

Explanation opens after your attempt
Correct Answer

C. (78)

Step 1

Concept

A line segment needs (2) points. Therefore \(\binom{13}{2}=78\).

Step 2

Why this answer is correct

The correct answer is C. (78). A line segment needs (2) points. Therefore \(\binom{13}{2}=78\).

Step 3

Exam Tip

एक रेखाखंड के लिए (2) बिंदु चाहिए। अतः \(\binom{13}{2}=78\) होगा।

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Mathematics Answer, Explanation and Revision Hints

(13) बिंदुओं में से (2) बिंदु चुनकर कितने रेखाखंड बनाए जा सकते हैं? / How many line segments can be formed by choosing (2) points from (13) points?

Correct Answer: C. (78). Explanation: एक रेखाखंड के लिए (2) बिंदु चाहिए। अतः \(\binom{13}{2}=78\) होगा। / A line segment needs (2) points. Therefore \(\binom{13}{2}=78\).

Which concept should I revise for this Mathematics MCQ?

A line segment needs (2) points. Therefore \(\binom{13}{2}=78\).

What exam hint can help solve this Mathematics question?

एक रेखाखंड के लिए (2) बिंदु चाहिए। अतः \(\binom{13}{2}=78\) होगा।