1 |
Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is: |
|
2 |
Number of ways of arranging 5 keys in a circular ring is: |
|
3 |
No. of diagonals can be formed by joining the vertices of the polygon having 5 sides ? |
|
4 |
No. of arrangements can be made of 4 letters a, b, c, d taken 2 at a time ? |
|
5 |
How many different number can be formed by taking 4 out of the six digits 1, 2, 3, 4, 5, 6: |
- A. 360
- B. 120
- C. 366
- D. none of these
|
6 |
The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number is: |
|
7 |
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: |
- A. 110
- B. 120
- C. 122
- D. 124
|
8 |
<sup>n</sup>C<sub>4</sub> =<sup>n</sup>C<sub>8</sub>then n = : |
|
9 |
No. of diagonals can be formed by joining the vertices of the polygon having 12 sides ? |
|
10 |
If S is a simple space and event E is (pic) then P(E) = |
- A. 0
- B. -1
- C. >1
- D. none
|