NCERT Exemplar Mathematics - Class 9>Chapter 1 - Number Systems>Exercise>Q 5

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The decimal expansion of the number $\sqrt{2}$ is

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Important Questions on Number Systems

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NCERT Exemplar Mathematics - Class 9>Chapter 1 - Number Systems>Exercise>Q 6

Which of the following is irrational?

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NCERT Exemplar Mathematics - Class 9>Chapter 1 - Number Systems>Exercise>Q 7

Which of the following is irrational?

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NCERT Exemplar Mathematics - Class 9>Chapter 1 - Number Systems>Exercise>Q 8

A rational number between

\sqrt{2}

and

\sqrt{3}

is

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NCERT Exemplar Mathematics - Class 9>Chapter 1 - Number Systems>Exercise>Q 9

The value of

1.999 \dots

in the form

\frac{p}{q},

where

p

and

q

are integers and

q \neq 0

, is

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NCERT Exemplar Mathematics - Class 9>Chapter 1 - Number Systems>Exercise>Q 10

2 \sqrt{3} + \sqrt{3}

is equal to

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NCERT Exemplar Mathematics - Class 9>Chapter 1 - Number Systems>Exercise>Q 11

\sqrt{10} \times \sqrt{15}

is equal to

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NCERT Exemplar Mathematics - Class 9>Chapter 1 - Number Systems>Exercise>Q 12

The number obtained on rationalising the denominator of

\frac{1}{\sqrt{7} - 2}

is

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NCERT Exemplar Mathematics - Class 9>Chapter 1 - Number Systems>Exercise>Q 13

\frac{1}{\sqrt{9} - \sqrt{8}}

is equal to