Question

In how many different ways can 8 examination papers be arranged in the row so that the best and the worst papers never come together

Answer 1

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• Total number of ways to arrange papers = 8!
• Best and Worst papers together = 7! × 2!

• Best and the worst papers never come together = Total - Best and Worst

• Best and the worst papers never come together = 8! -  2! × 7!
• Since 2! = 2

• Best and the worst papers never come together = 8! -  2 × 7!

Answer 2

There are 8 examination paper so they can be arranged in 8! Ways. Rest is in the pic thanks. Please mark as brainliest