| 1 |
In a simultaneous throw of two dice, The probability of getting a total of 7 is: |
|
| 2 |
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
|
| 3 |
Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is: |
|
| 4 |
No. of diagonals can be formed by joining the vertices of the polygon having 5 sides ? |
|
| 5 |
A key ring is an example of: |
- A. permutation
- B. circulation permutation
- C. combination
- D. none
|
| 6 |
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
|
| 7 |
No. of arrangements of the letters of the word plane taking all letters at a time: |
|
| 8 |
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
|
| 9 |
The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number is: |
|
| 10 |
Numbers are formed by using all the digits 1, 2, 3, 4, 5, 6 on digit being repeated, then the numbers which are divisible by 5 are: |
- A. 110
- B. 120
- C. 122
- D. 124
|
