In how many different ways can the letters of the word PRESENT be arranged?

There is a match between two teams. Each team has a total of 15 players. After the match, all the players of one team shake hands with all the players of the other team. What is the number of possible hand shakes?

In how many different ways can letters of the word "DAIRY" be arranged?

Read the information given below carefully and answer the question that follows:

(A) The different ways in which the alphabets of the word BAKERY can be arranged is 720

(B) The number of ways in which the alphabets of the word MACHINE can be arranged so that the vowels will occupy only the odd positions is 576

Choose the correct answer from the options given below:

In how many ways, can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

In a plane, there are 9 points, out of which 4 are collinear. The number of triangles made by these points is:

In how many different ways can the letters of the word ' Bakery ' be arranged ?