\(^{n}P_r\) के derivation में choices घटती क्यों हैं?

Why do choices decrease in the derivation of \(^{n}P_r\)?

Explanation opens after your attempt
Correct Answer

A. क्योंकि चुनी गई वस्तु दोबारा नहीं चुनी जातीBecause a chosen object is not selected again

Step 1

Concept

Without repetition the available count decreases after one choice is used. In exams connect no repetition with a falling product.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि चुनी गई वस्तु दोबारा नहीं चुनी जाती / Because a chosen object is not selected again. Without repetition the available count decreases after one choice is used. In exams connect no repetition with a falling product.

Step 3

Exam Tip

Without repetition में एक choice use होने के बाद available count कम होता है। परीक्षा में no repetition को falling product से जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

\(^{n}P_r\) के derivation में choices घटती क्यों हैं? / Why do choices decrease in the derivation of \(^{n}P_r\)?

Correct Answer: A. क्योंकि चुनी गई वस्तु दोबारा नहीं चुनी जाती / Because a chosen object is not selected again. Explanation: Without repetition में एक choice use होने के बाद available count कम होता है। परीक्षा में no repetition को falling product से जोड़ें। / Without repetition the available count decreases after one choice is used. In exams connect no repetition with a falling product.

Which concept should I revise for this Mathematics MCQ?

Without repetition the available count decreases after one choice is used. In exams connect no repetition with a falling product.

What exam hint can help solve this Mathematics question?

Without repetition में एक choice use होने के बाद available count कम होता है। परीक्षा में no repetition को falling product से जोड़ें।

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