| 1 |
No. of signals made by 5 flags of different colors using 3 flags at a time is: |
- A. 60
- B. 15
- C. 10
- D. None
|
| 2 |
No. of triangles can be formed by joining the vertices of the polygon having 5 sides ? |
- A. 10
- B. 15
- C. 20
- D. none of these
|
| 3 |
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
|
| 4 |
A dice is thrown. The probability to get an odd number is; |
- A. 1
- B.
- C.
- D. none of these
|
| 5 |
No. of necklaces can be made from 7 beads of different colors ? |
- A. 360
- B. 120
- C. 60
- D. 70
|
| 6 |
If S is a simple space and event E is (pic) then P(E) = |
- A. 0
- B. -1
- C. >1
- D. none
|
| 7 |
The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number is: |
|
| 8 |
The value of <sup>5</sup>C<sub>2</sub> is: |
|
| 9 |
For a positive integer n: |
- A. (n+1)! = (n+1)n!
- B. (n+1)! = (n+1)(n-1)!
- C. n! = n(n+1)!
- D. none of these
|
| 10 |
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
|
