4 frnds ABCD want to take a photograph of all of them siting in a single row (1) How many distinct different photographs can be clicked
a) 120 b) 240, c) 60 d) 30
(2)
In how many of these photographs A be sitting in the middle?
a) 126) 24. c) 60 d) 36
(3)
In how many of the photograph would A and B be sitting next to each other
a) 12 b) 24, c) 48 d) none
In how many of the photograph would A and D be not sitting together?
a) 48 b) 96, c) 120 d) 72
(5)
In how many of the photograph would E be not sitting in the middle?
a) 48 b) 96 c) 120 d) 72