Understanding ICSE Mathematics Class 9>Chapter 1 - Rational and Irrational Numbers>EXERCISE 1.3>Q 9

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9th ICSE

IMPORTANT

Earn 100

Classify the following number as rational or irrational:

$\sqrt{225}$

Important Questions on Rational and Irrational Numbers

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9th ICSE

IMPORTANT

Understanding ICSE Mathematics Class 9>Chapter 1 - Rational and Irrational Numbers>EXERCISE 1.3>Q 9

Classify the following number as rational or irrational:

$0.3796$

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9th ICSE

IMPORTANT

Understanding ICSE Mathematics Class 9>Chapter 1 - Rational and Irrational Numbers>EXERCISE 1.3>Q 9

Classify the following number as rational or irrational:

$7.478478 . . .$

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9th ICSE

IMPORTANT

Understanding ICSE Mathematics Class 9>Chapter 1 - Rational and Irrational Numbers>EXERCISE 1.3>Q 9

Classify the following number as rational or irrational:

$1.101001000100001 . . .$

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9th ICSE

IMPORTANT

Understanding ICSE Mathematics Class 9>Chapter 1 - Rational and Irrational Numbers>EXERCISE 1.3>Q 9

Classify the following number as rational or irrational:

$345.0 \bar{456}$

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9th ICSE

IMPORTANT

Understanding ICSE Mathematics Class 9>Chapter 1 - Rational and Irrational Numbers>EXERCISE 1.3>Q 10

The following real number have decimal expansion of

37.09158

. State whether they are rational or not. If they are rational and expressed in the form

\frac{p}{q}

, where

p, q

are integers,

q \neq 0

and

p, q

are co-prime, then what can you say about the prime factors of

q

?

EASY

9th ICSE

IMPORTANT

Understanding ICSE Mathematics Class 9>Chapter 1 - Rational and Irrational Numbers>EXERCISE 1.3>Q 10

The following real number have decimal expansion of

423 . \bar{04567}

. State whether they are rational or not. If they are rational and expressed in the form

\frac{p}{q}

, where

p, q

are integers,

q \neq 0

and

p, q

are co-prime, then what can you say about the prime factors of

q

?

EASY

9th ICSE

IMPORTANT

Understanding ICSE Mathematics Class 9>Chapter 1 - Rational and Irrational Numbers>EXERCISE 1.3>Q 10

The following real number have decimal expansion of

2.3476817681 . . .

. State whether they are rational or not. If they are rational and expressed in the form

\frac{p}{q}

, where

p, q

are integers,

q \neq 0

and

p, q

are co-prime, then what can you say about the prime factors of

q

?

EASY

9th ICSE

IMPORTANT

Understanding ICSE Mathematics Class 9>Chapter 1 - Rational and Irrational Numbers>EXERCISE 1.3>Q 10

The following real number have decimal expansion of

8.9010010001 . . . .

. State whether they are rational or not. If they are rational and expressed in the form

\frac{p}{q}

, where

p, q

are integers,

q \neq 0

and

p, q

are co-prime, then what can you say about the prime factors of

q

?