\(\binom{n}{2}=66\) हो तो (n) का मान क्या है?
If \(\binom{n}{2}=66\), what is the value of (n)?
Explanation opens after your attempt
C. (12)
Concept
\(\binom{12}{2}=66\). Therefore (n=12) is correct.
Why this answer is correct
The correct answer is C. (12). \(\binom{12}{2}=66\). Therefore (n=12) is correct.
Exam Tip
\(\binom{12}{2}=66\) होता है। इसलिए (n=12) सही है।
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