| 1 |
No. of signals made by 4 flags of different colors using 2 flags at a time: |
|
| 2 |
A key ring is an example of: |
- A. permutation
- B. circulation permutation
- C. combination
- D. none
|
| 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 |
A dice is thrown. The probability to get an odd number is; |
- A. 1
- B.
- C.
- D. none of these
|
| 5 |
A die is rolled. The probability that the dots on the top are greater than 4 is: |
|
| 6 |
n! stands for: |
- A. product of first natural numbers
- B. sum of n natural numbers
- C. product of n integers
- D. none of these
|
| 7 |
In a simultaneous throw of two dice, The probability of getting a total of 7 is: |
|
| 8 |
No. of necklaces can be made from 7 beads of different colors ? |
- A. 360
- B. 120
- C. 60
- D. 70
|
| 9 |
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
|
| 10 |
Probability of a certain event is: |
|
