CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Chapter Test>Q 8

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10th CBSE

IMPORTANT

Earn 100

Without actually performing the long division, state whether the following rational numbers will have a terminating decimal expansion or a non-terminating decimal expansion. Also write the decimal expansion which have terminating decimal expansions.

$\frac{72693}{4500}$

Important Questions on Real Numbers

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Chapter Test>Q 9

Write the denominator of the rational number

\frac{377}{4000}

in the form

2^{m} 5^{n}

where

m, n

are non-negative integers. Hence, write its decimal expansion without actual division.

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Chapter Test>Q 10

The following real number have decimal expansion of

23.05 \bar{4327}

. 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

10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Chapter Test>Q 10

The following real number have decimal expansion of

174.3089

. 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

10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Chapter Test>Q 10

The following real number have decimal expansion of

9.010010001 . . . .

. 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

?