The Answer to the Question
is below this banner.
Here's the Solution to this Question
(i) Let us consider the best and worst paper as one group and all other papers as different.
Number of ways of arranging 9 groups is ways.
Best and worst paper can themselves be arranged in ways.
Total number of arrangements with best and worst papers together is
(ii) In how many ways can 10 examination papers be arranged without any condition?
Hence, total number of arrangements with the best and the worst not together is