(8) अलग-अलग विद्यार्थियों में से (4) को भाषण के क्रम में बुलाने के कितने तरीके हैं?

In how many ways can (4) students be called in speaking order from (8) distinct students?

Explanation opens after your attempt
Correct Answer

A. (1680)

Step 1

Concept

The speaking order is important, so \(^{8}P_4=1680\). In exams, order of performance means permutation.

Step 2

Why this answer is correct

The correct answer is A. (1680). The speaking order is important, so \(^{8}P_4=1680\). In exams, order of performance means permutation.

Step 3

Exam Tip

भाषण का क्रम महत्वपूर्ण है, इसलिए \(^{8}P_4=1680\)। परीक्षा में order of performance को permutation मानें।

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Mathematics Answer, Explanation and Revision Hints

(8) अलग-अलग विद्यार्थियों में से (4) को भाषण के क्रम में बुलाने के कितने तरीके हैं? / In how many ways can (4) students be called in speaking order from (8) distinct students?

Correct Answer: A. (1680). Explanation: भाषण का क्रम महत्वपूर्ण है, इसलिए \(^{8}P_4=1680\)। परीक्षा में order of performance को permutation मानें। / The speaking order is important, so \(^{8}P_4=1680\). In exams, order of performance means permutation.

Which concept should I revise for this Mathematics MCQ?

The speaking order is important, so \(^{8}P_4=1680\). In exams, order of performance means permutation.

What exam hint can help solve this Mathematics question?

भाषण का क्रम महत्वपूर्ण है, इसलिए \(^{8}P_4=1680\)। परीक्षा में order of performance को permutation मानें।