In how many ways can 10 examination papers be arranged so that the best and the worst papers never come together? Choose the correct choice
A) 8*9!  B) 7*5!  C) 5*5!  D) 9!  E) 10*8!
10 examination papers arranged   consider x   and req no of arranged = 8*9!   8*9!NSWER 8*9!
<result>A</result>
In how many ways can 10 examination papers be arranged so that the best and the worst papers never come together?