| 1 |
n! stands for: |
- A. product of first natural numbers
- B. sum of n natural numbers
- C. product of n integers
- D. none of these
|
| 2 |
If <sup>n</sup>P<sub>2</sub> = 30 then n = : |
|
| 3 |
No. of necklaces can be made from 7 beads of different colors ? |
- A. 360
- B. 120
- C. 60
- D. 70
|
| 4 |
One card is drawn at random from a pack of 52 cards. The probability that the card drawn a king is: |
- A.
- B.
- C.
- D. none of these
|
| 5 |
If S is a simple space and event E is (pic) then P(E) = |
- A. 0
- B. -1
- C. >1
- D. none
|
| 6 |
In a simultaneous throw of two dice, The probability of getting sum 3 or 11 is: |
|
| 7 |
In a simultaneous throw of two dice, The probability of getting a total of 7 is: |
|
| 8 |
No. of arrangements of the letters of the word PAKPATTAN can be made, taken all together ? |
- A. 15130
- B. 15120
- C. 1512
- D. none of these
|
| 9 |
A dice is thrown. The probability to get an even number is: |
- A. 1
- B.
- C.
- D. none of these
|
| 10 |
Number of ways of arranging 5 keys in a circular ring is: |
|
