| 1 |
No. of triangles can be formed by joining the vertices of the polygon having 12 sides ? |
- A. 202
- B. 220
- C. 110
- D. none of these
|
| 2 |
Number of ways of arranging 5 keys in a circular ring is: |
|
| 3 |
In how many ways two places can be filled by n objects: |
- A. n(n-1)
- B. 2!
- C. n(n+1)
- D. None
|
| 4 |
Probability of a certain event is: |
|
| 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 |
If <sup>n</sup>P<sub>2</sub> = 30 then n = : |
|
| 7 |
<sup>n</sup>C<sub>4</sub> =<sup>n</sup>C<sub>8</sub>then n = : |
|
| 8 |
A dice is thrown. The probability to get an odd number is; |
- A. 1
- B.
- C.
- D. none of these
|
| 9 |
No. of arrangements of the letters of the word plane taking all letters at a time: |
|
| 10 |
The number of ways in which fiver persons can sit at a round table is: |
- A. 4!
- B. 5!
- C.
- D. none of these
|
