\({}^{9}P_{1}\) का मान क्या है?

What is the value of \({}^{9}P_{1}\)?

Explanation opens after your attempt
Correct Answer

A. (9)

Step 1

Concept

Since \({}^{n}P_{1}=n\), \({}^{9}P_{1}=9\). For one position, count the available objects directly.

Step 2

Why this answer is correct

The correct answer is A. (9). Since \({}^{n}P_{1}=n\), \({}^{9}P_{1}=9\). For one position, count the available objects directly.

Step 3

Exam Tip

\({}^{n}P_{1}=n\) होता है इसलिए \({}^{9}P_{1}=9\)। एक स्थान के लिए सीधे उपलब्ध वस्तुएँ गिनें।

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Mathematics Answer, Explanation and Revision Hints

\({}^{9}P_{1}\) का मान क्या है? / What is the value of \({}^{9}P_{1}\)?

Correct Answer: A. (9). Explanation: \({}^{n}P_{1}=n\) होता है इसलिए \({}^{9}P_{1}=9\)। एक स्थान के लिए सीधे उपलब्ध वस्तुएँ गिनें। / Since \({}^{n}P_{1}=n\), \({}^{9}P_{1}=9\). For one position, count the available objects directly.

Which concept should I revise for this Mathematics MCQ?

Since \({}^{n}P_{1}=n\), \({}^{9}P_{1}=9\). For one position, count the available objects directly.

What exam hint can help solve this Mathematics question?

\({}^{n}P_{1}=n\) होता है इसलिए \({}^{9}P_{1}=9\)। एक स्थान के लिए सीधे उपलब्ध वस्तुएँ गिनें।