\({}^{7}P_{2}\) का मान क्या है?

What is the value of \({}^{7}P_{2}\)?

Explanation opens after your attempt
Correct Answer

A. (42)

Step 1

Concept

\({}^{7}P_{2}=7\times6=42\). For small (r), multiply (r) decreasing factors.

Step 2

Why this answer is correct

The correct answer is A. (42). \({}^{7}P_{2}=7\times6=42\). For small (r), multiply (r) decreasing factors.

Step 3

Exam Tip

\({}^{7}P_{2}=7\times6=42\) होता है। छोटे (r) के लिए घटते हुए (r) गुणनखंड लें।

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Mathematics Answer, Explanation and Revision Hints

\({}^{7}P_{2}\) का मान क्या है? / What is the value of \({}^{7}P_{2}\)?

Correct Answer: A. (42). Explanation: \({}^{7}P_{2}=7\times6=42\) होता है। छोटे (r) के लिए घटते हुए (r) गुणनखंड लें। / \({}^{7}P_{2}=7\times6=42\). For small (r), multiply (r) decreasing factors.

Which concept should I revise for this Mathematics MCQ?

\({}^{7}P_{2}=7\times6=42\). For small (r), multiply (r) decreasing factors.

What exam hint can help solve this Mathematics question?

\({}^{7}P_{2}=7\times6=42\) होता है। छोटे (r) के लिए घटते हुए (r) गुणनखंड लें।