MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 8

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10th CBSE

IMPORTANT

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If two positive integers $a$ and $b$ are expressible in the form $a = {pq}^{2}$ and $b = p^{3} q; p, q$ being prime numbers, then $HCF (a, b)$ is

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Important Questions on Real Numbers

EASY

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 9

If two positive numbers

m

and

n

are expressible in the form

m = p q^{3}

and

n = p^{3} q^{2}

, where

p, q

are prime numbers, then

HCF (m, n) =

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10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 10

If the

LCM

of

a

and

18

is

36

and the

HCF

of

a

and

18

is

2

, then

a =

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IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 11

The

HCF

of

95

and

152

is

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IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 12

If

HCF (26, 169) = 13

, then

LCM (26, 169) =

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MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 13

If

a = 2^{3} \times 3, b = 2 \times 3 \times 5, c = 3^{n} \times 5

and

LCM (a, b, c) = 2^{3} \times 3^{2} \times 5

then

n =

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MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 14

The decimal expansion of the rational number $\frac{14587}{1250}$ will terminate after

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IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 15

If

p

and

q

are co-prime numbers, then

p^{2}

and

q^{2}

are

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10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 16

Which of the following rational numbers have terminating decimal?

$(i) \frac{16}{25} (ii) \frac{5}{18} (iii) \frac{2}{21} (iv) \frac{7}{250}$