1 |
No. of diagonals can be formed by joining the vertices of the polygon having 12 sides ? |
70
54
70
73
|
2 |
No. of diagonals can be formed by joining the vertices of the polygon having 5 sides ? |
5
15
51
10
|
3 |
The number of diagonals of a polygon with n sides is: |
none of these
|
4 |
No. of triangles can be formed by joining the vertices of the polygon having 5 sides ? |
10
15
20
none of these
|
5 |
No. of triangles can be formed by joining the vertices of the polygon having 12 sides ? |
202
220
110
none of these
|
6 |
No. of arrangements of the letters of the word PAKPATTAN can be made, taken all together ? |
15130
15120
1512
none of these
|
7 |
No. of arrangements of the letters of the word PAKISTAN can be made, taken all together ? |
21160
20160
20170
20016
|
8 |
No. of arrangements can be made of 4 letters a, b, c, d taken 2 at a time ? |
8
12
10
14
|
9 |
If nP2 = 30 then n = : |
5
6
2
3
|
10 |
Numbers are formed by using all the digits 1, 2, 3, 4, 5, 6 on digit being repeated, then the numbers which are divisible by 5 are: |
110
120
122
124
|
11 |
How many different number can be formed by taking 4 out of the six digits 1, 2, 3, 4, 5, 6: |
360
120
366
none of these
|
12 |
Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is: |
5
24
20
none
|
13 |
No. of signals made by 4 flags of different colors using 2 flags at a time: |
6
12
60
none
|
14 |
No. of signals made by 5 flags of different colors using 3 flags at a time is: |
60
15
10
None
|
15 |
No. of arrangements of the letters of the word plane taking all letters at a time: |
5
1
none
|
16 |
In how many ways two places can be filled by n objects: |
n(n-1)
2!
n(n+1)
None
|
17 |
No. of selection of n different things out of n is: |
1
n
n!
none
|
18 |
The factorial of positive integer is: |
rational no.
positive integer
real no.
none
|
19 |
For a positive integer n: |
(n+1)! = (n+1)n!
(n+1)! = (n+1)(n-1)!
n! = n(n+1)!
none of these
|
20 |
n! stands for: |
product of first natural numbers
sum of n natural numbers
product of n integers
none of these
|