(4) पुरुष और (4) महिलाएं एक पंक्ति में वैकल्पिक रूप से कितने तरीकों से बैठ सकते हैं?
In how many ways can (4) men and (4) women sit alternately in a row?
Explanation opens after your attempt
B. (1152)
Concept
There are two possible patterns and each has \(4!\cdot4!\) arrangements. The total is \(2\cdot4!\cdot4!=1152\).
Why this answer is correct
The correct answer is B. (1152). There are two possible patterns and each has \(4!\cdot4!\) arrangements. The total is \(2\cdot4!\cdot4!=1152\).
Exam Tip
दो pattern संभव हैं और हर pattern में \(4!\cdot4!\) व्यवस्थाएं हैं। कुल \(2\cdot4!\cdot4!=1152\) है।
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