Question

Which of the following is not true?.
(a) Every rational number is a real number.
(b) Every integer is a rational number.
(c) Every real number is an irrational number.
(d) Every natural number is a whole number.

Answer 1

I think c is the ans........................

Answer 2

Answer:

(c)

Step-by-step explanation:

(a) Every rational number is a real number.

True, as rational number is of the form p/q where p and q are real numbers.

(b) Every integer is a rational number.

True, because every integer can be expressed in the form p/q.

(c) Every real number is an irrational number.

False, as irrational number are defined as those real numbers which are not rational in nature.

(d) Every natural number is a whole number.

True, as Natural Numbers = 1, 2,3 ,....

and Whole Numbers = 0, 1 ,2, 3,4