A) \[10\ !\ \times 2\]
B) \[10\,!\]
C) \[9\,!\ \times 2\]
D) None of these
View Answer play_arrowquestion_answer2) In how many ways can 5 keys be put in a ring
A) \[\frac{1}{2}4!\]
B) \[\frac{1}{2}5\,!\]
C) \[4\,!\]
D) \[5\,!\]
View Answer play_arrowA) \[5!\,\times 5\,!\]
B) \[4\,!\,\,\times \,\,5\,!\]
C) \[\frac{5\,\,!\,\,\times \,\,5\,\,!}{2}\]
D) None of these
View Answer play_arrowA) 9 !
B) 10 !
C) 3 ! 10 !
D) 3 ! 9 !
View Answer play_arrowA) \[2\times 12\,!\]
B) 24
C) \[2\times 15\,!\]
D) None of these
View Answer play_arrowquestion_answer6) In how many ways a garland can be made from exactly 10 flowers [MP PET 1984]
A) \[10\ !\]
B) \[9\ !\]
C) \[2(9\ !)\]
D) \[\frac{9\ !}{2}\]
View Answer play_arrowA) \[20\ !\]
B) \[2\ .\ 18\ !\]
C) \[18\ !\]
D) None of these
View Answer play_arrowA) 12
B) 24
C) 120
D) 60
View Answer play_arrowquestion_answer9) \[n\] gentlemen can be made to sit on a round table in [MP PET 1982]
A) \[\frac{1}{2}(n+1)\ !\] ways
B) \[(n-1)\ !\] ways
C) \[\frac{1}{2}(n-1)\ !\] ways
D) \[(n+1)\ !\] ways
View Answer play_arrowA) 480
B) 600
C) 720
D) 840
View Answer play_arrowA) \[{{(7\,!)}^{2}}\]
B) \[7\,!\,\times \,6\,!\]
C) \[{{(6\,!)}^{2}}\]
D) \[7\,!\]
View Answer play_arrowA) n!
B) n
C) (n - 2)!
D) (n - 1)!
View Answer play_arrowA) 2520
B) 2880
C) 5040
D) 4320
View Answer play_arrowA) 6! x 5!
B) 30
C) 5! x 4!
D) 7! x 5!
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