(12) बिंदुओं से कितनी सीधी रेखाएं बनेंगी यदि कोई (3) बिंदु एक ही रेखा पर नहीं हैं?

How many straight lines can be formed from (12) points if no (3) points lie on the same line?

Explanation opens after your attempt
Correct Answer

B. (66)

Step 1

Concept

A line is formed by (2) points. Hence \(\binom{12}{2}=66\) is correct.

Step 2

Why this answer is correct

The correct answer is B. (66). A line is formed by (2) points. Hence \(\binom{12}{2}=66\) is correct.

Step 3

Exam Tip

एक रेखा (2) बिंदुओं से बनती है। इसलिए \(\binom{12}{2}=66\) सही है।

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Mathematics Answer, Explanation and Revision Hints

(12) बिंदुओं से कितनी सीधी रेखाएं बनेंगी यदि कोई (3) बिंदु एक ही रेखा पर नहीं हैं? / How many straight lines can be formed from (12) points if no (3) points lie on the same line?

Correct Answer: B. (66). Explanation: एक रेखा (2) बिंदुओं से बनती है। इसलिए \(\binom{12}{2}=66\) सही है। / A line is formed by (2) points. Hence \(\binom{12}{2}=66\) is correct.

Which concept should I revise for this Mathematics MCQ?

A line is formed by (2) points. Hence \(\binom{12}{2}=66\) is correct.

What exam hint can help solve this Mathematics question?

एक रेखा (2) बिंदुओं से बनती है। इसलिए \(\binom{12}{2}=66\) सही है।