(4) मित्रों को (2) विशेष सीटों पर कितने तरीकों से बैठाया जा सकता है?

In how many ways can (4) friends be seated on (2) special seats?

Explanation opens after your attempt
Correct Answer

B. (12)

Step 1

Concept

Order matters on two special seats, so \({}^{4}P_{2}=12\). If seats are distinct, use permutation.

Step 2

Why this answer is correct

The correct answer is B. (12). Order matters on two special seats, so \({}^{4}P_{2}=12\). If seats are distinct, use permutation.

Step 3

Exam Tip

दो विशेष सीटों पर क्रम महत्त्वपूर्ण है इसलिए \({}^{4}P_{2}=12\)। सीटें अलग हों तो permutation लें।

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Mathematics Answer, Explanation and Revision Hints

(4) मित्रों को (2) विशेष सीटों पर कितने तरीकों से बैठाया जा सकता है? / In how many ways can (4) friends be seated on (2) special seats?

Correct Answer: B. (12). Explanation: दो विशेष सीटों पर क्रम महत्त्वपूर्ण है इसलिए \({}^{4}P_{2}=12\)। सीटें अलग हों तो permutation लें। / Order matters on two special seats, so \({}^{4}P_{2}=12\). If seats are distinct, use permutation.

Which concept should I revise for this Mathematics MCQ?

Order matters on two special seats, so \({}^{4}P_{2}=12\). If seats are distinct, use permutation.

What exam hint can help solve this Mathematics question?

दो विशेष सीटों पर क्रम महत्त्वपूर्ण है इसलिए \({}^{4}P_{2}=12\)। सीटें अलग हों तो permutation लें।