1 
No. of diagonals can be formed by joining the vertices of the polygon having 5 sides ? 

2 
The number of diagonals of a polygon with n sides is: 
 A.
 B.
 C.
 D. none of these

3 
No. of necklaces can be made from 7 beads of different colors ? 
 A. 360
 B. 120
 C. 60
 D. 70

4 
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

5 
No. of signals made by 4 flags of different colors using 2 flags at a time: 

6 
If <sup>n</sup>P<sub>2</sub> = 30 then n = : 

7 
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

8 
In how many ways two places can be filled by n objects: 
 A. n(n1)
 B. 2!
 C. n(n+1)
 D. None

9 
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

10 
No. of selection of n different things out of n is: 
