यदि \(^{n}C_{2}=105\) है, तो \(^{n}C_{3}\) का मान क्या होगा?

If \(^{n}C_{2}=105\), what is the value of \(^{n}C_{3}\)?

Explanation opens after your attempt
Correct Answer

C. (455)

Step 1

Concept

From \(^{n}C_{2}=105\), we get (n=15). Therefore \(^{15}C_{3}=455\).

Step 2

Why this answer is correct

The correct answer is C. (455). From \(^{n}C_{2}=105\), we get (n=15). Therefore \(^{15}C_{3}=455\).

Step 3

Exam Tip

\(^{n}C_{2}=105\) से (n=15) मिलता है। इसलिए \(^{15}C_{3}=455\)।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(^{n}C_{2}=105\) है, तो \(^{n}C_{3}\) का मान क्या होगा? / If \(^{n}C_{2}=105\), what is the value of \(^{n}C_{3}\)?

Correct Answer: C. (455). Explanation: \(^{n}C_{2}=105\) से (n=15) मिलता है। इसलिए \(^{15}C_{3}=455\)। / From \(^{n}C_{2}=105\), we get (n=15). Therefore \(^{15}C_{3}=455\).

Which concept should I revise for this Mathematics MCQ?

From \(^{n}C_{2}=105\), we get (n=15). Therefore \(^{15}C_{3}=455\).

What exam hint can help solve this Mathematics question?

\(^{n}C_{2}=105\) से (n=15) मिलता है। इसलिए \(^{15}C_{3}=455\)।