यदि \(^{n}P_r\) में (r=n) हो तो practical meaning क्या है?

If (r=n) in \(^{n}P_r\) what is the practical meaning?

Explanation opens after your attempt
Correct Answer

B. सभी (n) objects को क्रम में जमानाArranging all (n) objects in order

Step 1

Concept

When (r=n) all objects are being arranged so the count is (n!). In exams treat full arrangement as factorial.

Step 2

Why this answer is correct

The correct answer is B. सभी (n) objects को क्रम में जमाना / Arranging all (n) objects in order. When (r=n) all objects are being arranged so the count is (n!). In exams treat full arrangement as factorial.

Step 3

Exam Tip

(r=n) पर सभी वस्तुओं की व्यवस्था हो रही है इसलिए count (n!) है। परीक्षा में full arrangement को factorial मानें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(^{n}P_r\) में (r=n) हो तो practical meaning क्या है? / If (r=n) in \(^{n}P_r\) what is the practical meaning?

Correct Answer: B. सभी (n) objects को क्रम में जमाना / Arranging all (n) objects in order. Explanation: (r=n) पर सभी वस्तुओं की व्यवस्था हो रही है इसलिए count (n!) है। परीक्षा में full arrangement को factorial मानें। / When (r=n) all objects are being arranged so the count is (n!). In exams treat full arrangement as factorial.

Which concept should I revise for this Mathematics MCQ?

When (r=n) all objects are being arranged so the count is (n!). In exams treat full arrangement as factorial.

What exam hint can help solve this Mathematics question?

(r=n) पर सभी वस्तुओं की व्यवस्था हो रही है इसलिए count (n!) है। परीक्षा में full arrangement को factorial मानें।