The only seating representation possible = MWMWMW.
Men and women can be arranged in 3! Ways in those positions.
Therefore the total possible arrangements = 3! × 3! = 36.
There are 12 different chocolates placed on a table along a straight line. In how many ways can a person choose 4 of them such that no 2 of the chosen chocolates lie next to each other?
In how many ways the letters of the word ‘CHEKOSLOVAKIA’ can be arranged such that “SL” always comes together and ‘H’ and ‘I’ at the end places?