(10) seats की row में (4) selected students को बैठाने और बाकी seats empty छोड़ने की count किस expression से जुड़ती है?

The count for seating (4) selected students in a row of (10) seats while leaving other seats empty is connected with which expression?

Explanation opens after your attempt
Correct Answer

B. \(^{10}P_4\)

Step 1

Concept

Choosing seats first and then arranging students gives \(^{10}C_4\cdot4!=^{10}P_4\). In exams count both positions and arrangements.

Step 2

Why this answer is correct

The correct answer is B. \(^{10}P_4\). Choosing seats first and then arranging students gives \(^{10}C_4\cdot4!=^{10}P_4\). In exams count both positions and arrangements.

Step 3

Exam Tip

पहले seats चुनना और फिर students arrange करना \(^{10}C_4\cdot4!=^{10}P_4\) है। परीक्षा में seat-position और arrangement दोनों गिनें।

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Mathematics Answer, Explanation and Revision Hints

(10) seats की row में (4) selected students को बैठाने और बाकी seats empty छोड़ने की count किस expression से जुड़ती है? / The count for seating (4) selected students in a row of (10) seats while leaving other seats empty is connected with which expression?

Correct Answer: B. \(^{10}P_4\). Explanation: पहले seats चुनना और फिर students arrange करना \(^{10}C_4\cdot4!=^{10}P_4\) है। परीक्षा में seat-position और arrangement दोनों गिनें। / Choosing seats first and then arranging students gives \(^{10}C_4\cdot4!=^{10}P_4\). In exams count both positions and arrangements.

Which concept should I revise for this Mathematics MCQ?

Choosing seats first and then arranging students gives \(^{10}C_4\cdot4!=^{10}P_4\). In exams count both positions and arrangements.

What exam hint can help solve this Mathematics question?

पहले seats चुनना और फिर students arrange करना \(^{10}C_4\cdot4!=^{10}P_4\) है। परीक्षा में seat-position और arrangement दोनों गिनें।