How many ways are there to arrange the letters in the word 'GARDEN' with vowels in alphabetical order?
360
240
120
480
If 2nP3= 2. nP4, then the values of n is
4, 5
6, 10
1, 8
2, 4
A room has 6 doors. The no. of ways, in which a man can enter the room through one door and come out through a different door, is
6
12
30
36
The number of zeros at the end of 2007! is
499
500
501
502
How many no. of 6 digits can be formed from the digits of the number 112233?
60
90
If (n+1)! = 56 (n-1)!,then n=
8
7
9
A guard of 12 men is formed from a group of n soldiers in all possible ways. If the number of times two particular soldiers A and B are together on guard is thrice the number of times three particular soldiers C,D,E are together on guard, then n is equal to
18
24
32
A shelf contains 6 separate compartments.The number of ways can 12 identical marbles be placed in the
compartments so that no compartment is empty, is
462
420
444
384
The number of positive integer solution (x,y,z) of the equation x y z = 24 is
20
In how many ways 7 men and 7 women can sit on a round table such that no two women sit together?
(7!)2
6! x 7!
7 x (6!)2
7!
