120
If the people are always facing forward? 24 ways.
There are n! (n factorial) ways that n people can stand in line. So six people can stand in line in: 1*2*3*4*5*6 = 720 different ways
100 boys
5x4x3x2x1=120
420
3 items (or people) can line up in 6 different sequences. 6 items (or people) can line up in 720 different sequences.
There were 250,000 people at his Kebworth concert.
36
i have 1940 different shows
120
7
1000
50,000
27!
Probably around 30,000 people...
About 550.000.