यदि \(^{n}C_{2}=66\) है, तो \(^{n}C_{4}\) का मान क्या होगा?
If \(^{n}C_{2}=66\), what is the value of \(^{n}C_{4}\)?
Explanation opens after your attempt
A. (495)
Concept
From \(^{n}C_{2}=66\), (n=12). Therefore \(^{12}C_{4}=495\).
Why this answer is correct
The correct answer is A. (495). From \(^{n}C_{2}=66\), (n=12). Therefore \(^{12}C_{4}=495\).
Exam Tip
\(^{n}C_{2}=66\) से (n=12) मिलता है। इसलिए \(^{12}C_{4}=495\)।
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