Irrational and Rational Numbers on Number Line

Which number is an irrational number?

• 2.5

• 5.72314.....

• -17

• 1/2

Real number consist of

• only rational numbers

• only irrational numbers

• neither rational nor irrational number

• both rational and irrational numbers

Which of the following is an irrational?

• √5

• √81

• √64

• √225

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

• A rational number

• An integer

• A fraction

• A irrational number

Identify this famous mathematician who discovered the numbers which were not rationals (i.e. irrational numbers), around 400 BC.

• Rene Descarte'

• Pythagoras

• G. Cantor

• Archimedes

In between two rational number there is/are

• One rational number

• Two irrational numbers

• Infinitely many rational numbers

• only irrational number exist

What type of number is π ?

• Rational

• Irrational

Which number is irrational?

• 9.6

• √45

• 3/8

• 3.4 x 10 ⁵

Which number is a rational number ?

• 1/4

• π

• √3

• ∛25