(2n) people में (n) men और (n) women हैं। Round table पर alternate seating की count कौन-सी है?

There are (n) men and (n) women among (2n) people. What is the count of alternate seating around a round table?

Explanation opens after your attempt
Correct Answer

A. (n!(n-1)!)

Step 1

Concept

First seat men in a circle in ((n-1)!) ways, then place women in gaps in (n!) ways. In exams fix one group first for circular alternation.

Step 2

Why this answer is correct

The correct answer is A. (n!(n-1)!). First seat men in a circle in ((n-1)!) ways, then place women in gaps in (n!) ways. In exams fix one group first for circular alternation.

Step 3

Exam Tip

पहले men को circle में ((n-1)!) ways से बैठाएं, फिर gaps में women को (n!) ways से रखें। परीक्षा में circular alternate में पहले एक group fix करें।

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Mathematics Answer, Explanation and Revision Hints

(2n) people में (n) men और (n) women हैं। Round table पर alternate seating की count कौन-सी है? / There are (n) men and (n) women among (2n) people. What is the count of alternate seating around a round table?

Correct Answer: A. (n!(n-1)!). Explanation: पहले men को circle में ((n-1)!) ways से बैठाएं, फिर gaps में women को (n!) ways से रखें। परीक्षा में circular alternate में पहले एक group fix करें। / First seat men in a circle in ((n-1)!) ways, then place women in gaps in (n!) ways. In exams fix one group first for circular alternation.

Which concept should I revise for this Mathematics MCQ?

First seat men in a circle in ((n-1)!) ways, then place women in gaps in (n!) ways. In exams fix one group first for circular alternation.

What exam hint can help solve this Mathematics question?

पहले men को circle में ((n-1)!) ways से बैठाएं, फिर gaps में women को (n!) ways से रखें। परीक्षा में circular alternate में पहले एक group fix करें।