(8) बिंदुओं में से कोई (3) एक सीध में नहीं हैं। इनसे कितने त्रिभुज बन सकते हैं?
There are (8) points, no (3) of which are collinear. How many triangles can be formed?
Explanation opens after your attempt
B. (56)
Concept
A triangle is formed by choosing (3) points. Hence \(\binom{8}{3}=56\).
Why this answer is correct
The correct answer is B. (56). A triangle is formed by choosing (3) points. Hence \(\binom{8}{3}=56\).
Exam Tip
त्रिभुज के लिए (3) बिंदु चुने जाते हैं। इसलिए \(\binom{8}{3}=56\) है।
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