(9) बिंदुओं में से कोई (3) एक सीध में नहीं हैं। कितने वृत्त बन सकते हैं?

There are (9) points, no (3) of which are collinear. How many circles can be formed?

Explanation opens after your attempt
Correct Answer

C. (84)

Step 1

Concept

A circle is determined by (3) points. Hence \(\binom{9}{3}=84\) is correct.

Step 2

Why this answer is correct

The correct answer is C. (84). A circle is determined by (3) points. Hence \(\binom{9}{3}=84\) is correct.

Step 3

Exam Tip

एक वृत्त (3) बिंदुओं से निर्धारित होता है। इसलिए \(\binom{9}{3}=84\) सही है।

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Mathematics Answer, Explanation and Revision Hints

(9) बिंदुओं में से कोई (3) एक सीध में नहीं हैं। कितने वृत्त बन सकते हैं? / There are (9) points, no (3) of which are collinear. How many circles can be formed?

Correct Answer: C. (84). Explanation: एक वृत्त (3) बिंदुओं से निर्धारित होता है। इसलिए \(\binom{9}{3}=84\) सही है। / A circle is determined by (3) points. Hence \(\binom{9}{3}=84\) is correct.

Which concept should I revise for this Mathematics MCQ?

A circle is determined by (3) points. Hence \(\binom{9}{3}=84\) is correct.

What exam hint can help solve this Mathematics question?

एक वृत्त (3) बिंदुओं से निर्धारित होता है। इसलिए \(\binom{9}{3}=84\) सही है।