odd number


Definition of Odd Number

  • An odd number is a whole number that is not divisible by 2.
    {1, 3, 5, 7, 9, . . . .} is the set of odd numbers.

More about Odd Number

  • An odd number is a whole number that is not a multiple of 2.
  • An odd number is a whole number that has 1, 3, 5, 7, and 9 in the ones place.

Examples of Odd Number

  • The following are few examples of odd numbers.
    27, 55, 89, 45, 99, 221, 999, 100,375

Solved Example on Odd Number

Find the probability of getting an odd number, when a number cube is rolled.
Choices:
A.
B.
C.
D. 1
Correct Answer: C
Solution:
Step 1: Number of favorable outcomes = number of odd numbers = 3
Step 2: Total number of possible outcomes = numbers on the cube = 6
Step 3: Probability (getting an odd number) =            [Simplify.]

Related Terms for Odd Number

  • Whole Number
  • Divisible
  • Multiple