| 1 |
In how many ways two places can be filled by n objects: |
- A. n(n-1)
- B. 2!
- C. n(n+1)
- D. None
|
| 2 |
If S is a simple space and event E is (pic) then P(E) = |
- A. 0
- B. -1
- C. >1
- D. none
|
| 3 |
No. of diagonals can be formed by joining the vertices of the polygon having 12 sides ? |
|
| 4 |
If S is a sample space and event E is S then P(E) is: |
- A. 0
- B. 1
- C. >1
- D. none
|
| 5 |
A die is rolled. The probability that the dots on the top are greater than 4 is: |
|
| 6 |
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
|
| 7 |
The number of diagonals of a polygon with n sides is: |
- A.
- B.
- C.
- D. none of these
|
| 8 |
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3 ? |
- A.
- B.
- C.
- D. none of these
|
| 9 |
n! stands for: |
- A. product of first natural numbers
- B. sum of n natural numbers
- C. product of n integers
- D. none of these
|
| 10 |
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
|
