Irrational Numbers

IMPORTANT

Irrational Numbers: Overview

This topic covers concepts such as Irrational Numbers, Need for Irrational Numbers, Real Numbers, Unique Representation of Real Numbers on Number Line, Representation of Irrational Numbers on Number Line, etc.

Important Questions on Irrational Numbers

MEDIUM
IMPORTANT

Locate on the number line, the point representing the number 2+2.

EASY
IMPORTANT

The combination of rational and irrational number is called _____ number.

EASY
IMPORTANT

The irrational number between 2 and 2.5 is 

EASY
IMPORTANT

Which of the following is an irrational number?

EASY
IMPORTANT

Which of these is an irrational number?

EASY
IMPORTANT

Find the length of the diagonal of a unit square and classify it as rational or irrational number.

EASY
IMPORTANT

The length of the diagonal of a unit square is a rational number.

EASY
IMPORTANT

Prove that the length of the diagonal of a unit square is an irrational number.

EASY
IMPORTANT

The decimal expansion of an _____ number is non-terminating and non-repeating.

EASY
IMPORTANT

The decimal representation of the rational number is

EASY
IMPORTANT

Which of the following is not an irrational number?

EASY
IMPORTANT

What is an irrational number? Give an example.

EASY
IMPORTANT

The number 12 is an irrational number.

EASY
IMPORTANT

0’ is an irrational number.

MEDIUM
IMPORTANT

The length of the diagonal of a square having sides of unit length is a irrational number.

HARD
IMPORTANT

In the graph below, P(1, 0) is the centre of the circle. R2, 1 and Q(x, 0) are two points on the circle.

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What is the x-coordinate of point Q?

EASY
IMPORTANT

On the number line shown below,

1) $ \overline{\text{PQ}}$ = $ \overline{\text{QR}}$, with $ \overline{\text{PQ}}$⊥$ \overline{\text{QR}}$. Similarly,

2) $ \overline{\text{PT}}$ = $ \overline{\text{TS}}$, with $ \overline{\text{PT}}$⊥$ \overline{\text{TS}}$.

 

RT is an arc of radius PR and centre P. Another arc of radius PS and centre P, passes through S.

 

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At which of the following points would the arc passing through point “S” intersect the number line?