Six papers are set in examination, two of them in mathematics: in how many different orders can the papers be given, provided only that the two mathematical papers are not successive?

Six papers are set in examination , 2 them in Mathematics the number of different orders be given so that two mathematics papers are not together is

How many different words can be formed with the letters of the word "MATHEMATICS"

In how many ways can 9 examination papers be arranged so that the best and the worst papers never come together?

In how many ways can 10 examination papers be arranged so that the best and the worst papers never come together?

In how many ways can 10 examination papers be arranged so that the best and worst papers never come together?

In how many ways can 10 examination papers be arranged so that the best and worst papers never come together?

In how many ways can 12 examination papers be arranged so that the best and the worst papers may never come together ?

There are 15 candidates for an examination . 7 candidates are appearing for mathematics examination while the remaining 8 are appearing for different subjects. In how many ways can they be seated in a row so that no two mathematics candidates are together ?

There are 15 candidates for an examination. 7 candidates are appearing for mathematics examination while the remaning 8 are appearing for different subjects. In how many ways can they be seated in a row so that no two mathematics candidates are together?