Question

Every rational number is …

• A. a natural number
• B. an integer
• C. a real number
• D. a whole number

Answer 1

The correct option is C

a real number

Explanation for correct option

A rational number is a type of real number, which is in the form of $p/q$ where$q$ is not equal to zero. Any fraction with non-zero denominators is a rational number. Some of the examples of rational number are $1/2,1/5,3/4,$ and so on.

Real numbers are the collection of all the numbers such as natural and whole numbers, rational and irrational numbers. Therefore, every real number is either a rational number or an irrational number.

Hence, every rational number is a real number.

Explanation for incorrect option:

Option (a) is incorrect because $-2$ is rational number but not natural number.

Hence, every rational number need not to be a natural number.

Option (b) is incorrect because $-2.5$ is rational number but not integers.

Hence, every rational number need not to be an integers.

Option (d) is incorrect because $-2.5$ is rational number but not whole number.

Hence, every rational number need not to be an numbers.

Hence, the correct option is C.