Unit-2 The World of Numbers

This unit puts light on the invention of numbers, origin of these numbers and how old are they.

Give 3 examples for each :
i.real numbers which are not whole numbers.
ii.integers which are not natural numbers.
iii.rational numbers which are integers.

Answer

i.1/2 , -5 , √2

ii.-4 , 0 , -78

iii.0 ,2 , -4