Rational Irrational Not Real

The product of two Irrational numbers is _________________ Rational.

• Always

• Sometimes

• Never

What is true about irrational numbers?

• They are terminating decimals.

• They are non-repeating decimals.

• They are fractions.

• They are natural numbers.

Classify the following number:
1.01011011101111....

• Rational

• Irrational

Classify the following:
0.478123123123123123....

• Rational

• Irrational

Which statement is NOT true?

• Every rational number is a real number.

• Every counting number is a whole number.

• Every integer is a rational number.

• Every decimal number is an irrational number.

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

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

Which of the statement is false?

• Sum of a rational number and irrational number is rational number.

• Product of two irrational number may not be an irrational number.

• Product of two rational number is always a rational number.

• Sum of a rational number and irrational number is an 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