In how many ways can Annie, Bushra, Camelia, Don, Elina and Farzana be seated if Annie and Bushra cannot be seated next to each other?

In how many ways can Annie, Bushra, Camelia, Don, Elina and Farzana be seated if Annie and Bushra cannot be seated next to each other? Correct Answer 600

ছয়জনকে মুক্ত বা স্বাধীনভাবে বসতে দিলে মোট বিন্যাস সংখ্যা <math xmlns = "http://www.w3.org/1998/Math/MathML"><msub><mn>6</mn><msub><mi>p</mi><mn>6</mn></msub></msub><mo>&#xA0;</mo><mo> = </mo><mo>&#xA0;</mo><mn>720</mn></math>
Bissoy MCQ

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'Camelia synensis' কীসের বৈজ্ঞানিক নাম?