Number System
Number System Natural Numbers - Counting numbers are called natural numbers. • The least natural number is 1. • There are infinitely many natural numbers. Whole Numbers - All natural numbers together with 0 form the collection of all whole numbers. • The least whole number is 0. • There are infinitely many whole numbers. • Every natural number is a whole number. • All whole numbers are not natural numbers, as 0 is a whole number which is not a natural number. Integers - All natural numbers, 0 and negatives of natural numbers form the collection of all integers. • 0 is neither negative nor positive. • There are infinitely many integers. • Every natural number is an integer. • Every whole number is an integer. SSC previous year questions (Important) Q. 1. Which of the following fraction is the greates...