In a cricket match between two teams X and Y, the team X requires 10 runs to win in the last 3 balls. If the possible runs that can be made from a ball be 0,1,2,3,4,5,6 the number of sequence of runs made by the batsman is
12
18
21
36
In how many ways can the letters of word' DELHI' be arranged, so that the vowels occupy only in even places.
2
6
In an examination, a candidate is required to pass in four different subjects. The no. of ways in which he can fail is
24
20
15
10
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!
If 56 P (r+6): 54 P (r+3) =30800: 1, then the value of r is
40
41
42
43
If 12Pr=11P6+6. 11P5, then the value of r is
3
9
The number of positive integer solution (x,y,z) of the equation x y z = 24 is
30
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
The no. of ways in which 6 men and 5 women can dine on a round table' if not two women are to sit together, is
5! x 5!
5! x 4!
7! x 5!
How many no. of five digits can be formed from the digits 2, 0, 4,3, 8 if repetition of the numbers is not allowed.
96
128
164
256