First Year Mathematics Chapter 7 Online MCQ Test for 1st Year Mathematics Chapter 7 Permutation, Combination and Probability Preparation

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

• 
  A
• 
  B
• 
  C
• 
  D

Probability of an impossible event is:

• 0 A
• 1 B
• -1 C
• ∞ D

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

• 0 A
• -1 B
• >1 C
• none D

n! stands for:

• product of first natural numbers A
• sum of n natural numbers B
• product of n integers C
• none of these D

The number of ways in which fiver persons can sit at a round table is:

• 4! A
• 5! B
• 
  C
• none of these D

The factorial of positive integer is:

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

A key ring is an example of:

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

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

• 
  A
• 
  B
• 
  C
• 
  D

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

• 1 A
• n B
• n! C
• none D

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

• 12 A
• 24 B
• 6 C
• 5 D

The value of ⁵C₂ is:

• 1 A
• 10 B
• 20 C
• 30 D

No. of diagonals can be formed by joining the vertices of the polygon having 12 sides ?

• 70 A
• 54 B
• 70 C
• 73 D

A dice is rolled, the probability of getting a number which is even or greater than 4 is:

• 
  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

Probability of a certain event is:

• 0 A
• 1 B
• >1 C
• ∞ D

The number of diagonals of a polygon with n sides is:

• 
  A
• 
  B
• 
  C
• none of these D

In a simultaneous throw of two dice, The probability of getting sum 3 or 11 is:

• 
  A
• 
  B
• 
  C
• none D

A dice is thrown. The probability to get an even number is:

• 1 A
• 
  B
• 
  C
• none of these D

The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number is:

• 
  A
• 
  B
• 
  C
• 
  D