No. of arrangements of the letters of the word plane taking all letters at a time:

• 5 A
• 1 B
• 
  C
• none D

A key ring is an example of:

• permutation A
• circulation permutation B
• combination C
• none D

ⁿC₄ =ⁿC₈then n = :

• 4 A
• 12 B
• 8 C
• 6 D

If S is a simple space and event E is (pic) then P(E) =

• 0 A
• -1 B
• >1 C
• none D

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

• 1 A
• n B
• n! C
• none D

Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is:

• 5 A
• 24 B
• 20 C
• none D

For a positive integer n:

• (n+1)! = (n+1)n! A
• (n+1)! = (n+1)(n-1)! B
• n! = n(n+1)! C
• none of these D

Number of ways of arranging 5 keys in a circular ring is:

• 12 A
• 24 B
• 6 C
• 5 D

No. of necklaces can be made from 7 beads of different colors ?

• 360 A
• 120 B
• 60 C
• 70 D

In a simultaneous throw of two dice, The probability of getting a total of 7 is:

• 
  A
• 
  B
• 
  C
• 
  D

How many different number can be formed by taking 4 out of the six digits 1, 2, 3, 4, 5, 6:

• 360 A
• 120 B
• 366 C
• none of these D

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:

• 110 A
• 120 B
• 122 C
• 124 D

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

• 5 A
• 15 B
• 51 C
• 10 D

• 
  A
• 
  B
• 
  C
• 
  D

One card is drawn at random from a pack of 52 cards. The probability that the card drawn a king is:

• 
  A
• 
  B
• 
  C
• none of these D

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
• none of these D

No. of signals made by 5 flags of different colors using 3 flags at a time is:

• 60 A
• 15 B
• 10 C
• None D

No. of arrangements of the letters of the word PAKISTAN can be made, taken all together ?

• 21160 A
• 20160 B
• 20170 C
• 20016 D

Probability of a certain event is:

• 0 A
• 1 B
• >1 C
• ∞ D

The factorial of positive integer is:

• rational no. A
• positive integer B
• real no. C
• none D