Question

what is meant by Real numbers and whole numbers

Answer 1

The type of number we normally use, such as 1, 15.82, −0.1, 3/4, etc.

Positive or negative, large or small, whole numbers or decimal numbers are all Real Numbers. 


The numbers {0, 1, 2, 3, ...} etc.

There is no fractional or decimal part. And no negatives.

Example: 5, 49 and 980 are all whole numbers.

Answer 2

Real numbers are all the Rational Numbers (example:-5,4/3...) and all the Irrational Numbers (example: √2,($\pi$....).
Whole numbers are the numbers: 0 to Infinity(∞)