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

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

• 12 A
• 24 B
• 6 C
• 5 D

ⁿC₄ =ⁿC₈then n = :

• 4 A
• 12 B
• 8 C
• 6 D

A dice is thrown. The probability to get an odd number is;

• 1 A
• 
  B
• 
  C
• none of these 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

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

• 
  A
• 
  B
• 
  C
• none 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

n! stands for:

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

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

• 15130 A
• 15120 B
• 1512 C
• none of these D

The value of ⁵C₂ is:

• 1 A
• 10 B
• 20 C
• 30 D

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

• 
  A
• 
  B
• 
  C
• none of these D

A die is rolled. The probability that the dots on the top are greater than 4 is:

• 5, 6 A
• 
  B
• 
  C
• 1 D

Probability of a certain event is:

• 0 A
• 1 B
• >1 C
• ∞ D

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

• 1 A
• 
  B
• 
  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

No. of arrangements can be made of 4 letters a, b, c, d taken 2 at a time ?

• 8 A
• 12 B
• 10 C
• 14 D

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

• 1 A
• n B
• n! C
• none D

• 4 A
• 6 B
• 8 C
• 10 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