New Mathematics for Class X>Chapter 1 - Number System>EXERCISE>Q 4

EASY

10th CBSE

IMPORTANT

Earn 100

Without actually performing the long division, find if $\frac{987}{10500}$ will have terminating or non-terminating (repeating) decimal expansion. Give reasons for your answer.

Important Questions on Number System

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 1 - Number System>EXERCISE>Q 5

A rational number in its decimal expression

327.7081

. What can you say about the prime factors of

q,

when this number is expressed in the form

\frac{p}{q}

? Give reasons.

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10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 1 - Number System>REVISION EXERCISE>Q 1

The

[H C F \times L C M]

for the numbers

50 and 20

is

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10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 1 - Number System>REVISION EXERCISE>Q 2

Which of the following numbers has terminating decimal expansion?

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10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 1 - Number System>REVISION EXERCISE>Q 3

If the least prime factor of

a

is

3

and least prime factor of

b

is

7

, the least prime factor of

(a + b)

is

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 1 - Number System>REVISION EXERCISE>Q 4

If

a, b

are co-prime, then

a^{2}, b^{2}

are

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 1 - Number System>REVISION EXERCISE>Q 5

If the

H C F

of

65

and

117

is expressible in the form

65 m - 117

, then the value of

m

is:

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10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 1 - Number System>REVISION EXERCISE>Q 6

119^{2} - 111^{2}

is:

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 1 - Number System>REVISION EXERCISE>Q 7

The decimal expansion of

\frac{33}{2^{2} \times 5}

will terminate after: