EASY
9th CBSE
IMPORTANT
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The product of two irrational numbers is always an irrational number

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Important Questions on Real Numbers

EASY
9th CBSE
IMPORTANT
Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q B
π is an irrational number but 227 is a rational number.
EASY
9th CBSE
IMPORTANT
Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q B
Every integer is a natural number.
EASY
9th CBSE
IMPORTANT
Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q B
Every rational number is a whole number.
EASY
9th CBSE
IMPORTANT
Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q B
Every rational number is an irrational number.
EASY
9th CBSE
IMPORTANT
Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q C
2 is an irrational number. It can be represented on a number line. Can it be represented exactly as a fraction ab ? (Yes/No)
EASY
9th CBSE
IMPORTANT
Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q C
Is ‘ 0’ an irrational number? Write the final answer as Yes or No.
EASY
9th CBSE
IMPORTANT
Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q C
Is -1 a rational number? (Write Yes/No)
EASY
9th CBSE
IMPORTANT
Activity Plus in Mathematics>Chapter 1 - Real Numbers>Enrichment Exercise>Q C
Is the square of an irrational number always rational? Write the final answer as Yes or No.