Question

what is natural number , whole number , integers , rational number and real number? Examples​

Answer 1

Natural Number -: All Counting Number is called Natural number. Ex :1, 2, ...........etc

Whole Number :- All counting number along with zero. Natural number is also known as whole number.

Ex :- 0,1,2,3, .......etc.

Rational Number :- The number which is in the form of p/q .Where p and q are integers and q is not equal to zero.

Ex :-2/3,3/2, ......etc.

Real number :- Real number is the value .that represents the quantity along the number line.

Ex :- 1,3, 2/3,......etc

Answer 2

natural numbers: a set of numbers starting from 1 and goes on

ie 1,2,3,4,5..........

whole numbers: a set of numbers starting from 0 and goes on

ie 0,1,2,3,4,5.............

integers: a set of numbers which consists negative numbers,0,positive numbers is called as integers

examples: positive integer : 4,18,19,100000

negative integers :-4,-7,-100000

0 is neither positive nor negative number

rational number :number can be expressed as the quotient or fraction p/q of two integers ,where q is not equal to 0

positive rational number: a rational number is said to be positive if both numerator and denominator are either positive or negative

ex: 5/7 or -6/-19

negative rational number: a rational number is said to be negative if numerator and denominator are such that one of them is positive and other is negative

ex: 10/-7,56/-123

real numbers : they are irrational numbers which doesn't stop

ex:

$\sqrt{2}$

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