"Number System (Class IX) " by KV Dwarka, Gujarat

Real number consist of

• only rational numbers

• only irrational numbers

• neither rational nor irrational number

• both rational and irrational numbers

In between two rational number there is/are

• One rational number

• Two irrational numbers

• Infinitely many rational numbers

• only irrational number exist

The product of a rational and an irrational numbers is

• Always an irrational number

• Always an integer

• Can not say

• Always a rational number

The decimal expansion of an irrational number may be

• Non terminating and repeating

• non terminating and non repeating

• Terminating

• Terminating and repeating

Which of the following is an irrational?

• √5

• √81

• √64

• √225

We can plot any real number on number line.

• True

• False

Which of the following is equal to x² ?

• x⁴ / x²

• x⁴ X x²

• x⁴ + x²

• x⁴ - x²

Find the value of: $\left(\left(16\right)^{-2}\right)^{\frac{1}{4}}$  

• 1/4

• 1/2

• 4

• 1/16

If a number can not be represented in the form of p/q where q is not equal to zero then the number is called

• Rational number

• Fraction

• Irrational number

• Real number

a⁰ is equals to

• a⁵⁰/a⁵⁰⁰

• a¹

• Not defined

• a⁵⁰⁰/a⁵⁰⁰