Book Maths Puzzle

In how many ways can 10 engineers and 4 doctors be seated at a round table if all the 4 doctors do not sit together?

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Book Other Question

If each permutation of the digits 1,2,3,4,5,6 are listed in the increasing order of magnitude, then 289th term will be In a chess competition involving some men and women, every player needs to play exactly one game with every other player. It was found that in 45 games, both the players were women and in 190 games, both players were men. What is the number of games in which one person was a man and other person was a woman?