Number of ways in which 8 people can be arranged in a line if A and B must be next each other and C must be somewhere behind D, is equal to

Number of ways in which 8people can be arranged in a line if A and B must be next each other and C must be somewhere behind D,is equal to

Let A = the number of ways of selecting a committee of 5 from a group of 9 persons. B = the number of permutations of the word PRELEPCO taken all at a time. C = the number of ways in which 8 people can be arranged in a line if two particular people must stand next to each other. The value of (A B)/C equals 63 (2) 126 (3) 360 (4) 120

The total number of ways in which 8 men and 6 women can be arranged in a line so that no 2 women are together is

The number of ways in which 8 men be arranged round a table so that 2 particular men may not be next to each other is

The number of ways in which 8 men be arranged arounda circular table so that 2 particular men may not be next to each other is

Find the number of ways in which 4 boys and 4 girls can be arranged along a row such that atleast one of the first 3 places must be arranged with a girl.

Find the number of ways in which 5 boys and 4 girls can be arranged along a row such that atleast one of the first 3 places must be arranged with a girl,

Number of ways in which the letters of the word ‘B U L B U L’ can be arranged in a line in any order is also equal to the:

Number of ways in which the letters of the word ‘B U L B U L’ can be arranged in a line in any order is also equal to the: