| 1 |
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
|
| 2 |
The value of <sup>5</sup>C<sub>2</sub> is: |
|
| 3 |
The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number is: |
|
| 4 |
No. of necklaces can be made from 7 beads of different colors ? |
- A. 360
- B. 120
- C. 60
- D. 70
|
| 5 |
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
|
| 6 |
<sup>n</sup>C<sub>4</sub> =<sup>n</sup>C<sub>8</sub>then n = : |
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| 7 |
The number of ways in which fiver persons can sit at a round table is: |
- A. 4!
- B. 5!
- C.
- D. none of these
|
| 8 |
No. of arrangements of the letters of the word plane taking all letters at a time: |
|
| 9 |
The number of diagonals of a polygon with n sides is: |
- A.
- B.
- C.
- D. none of these
|
| 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
|
