MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 2

MEDIUM

10th CBSE

IMPORTANT

Earn 100

The $LCM$ of two numbers is $1200$ . Which of the following cannot be their $HCF ?$

91.67% studentsanswered this correctly

Important Questions on Real Numbers

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 3

If

n = 2^{3} \times 3^{4} \times 5^{4} \times 7

, then the number of consecutive zeros in

n

(where

n

is a natural number) is

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 4

The sum of the exponents of the prime factors in the prime factorization of

196

is

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 5

The number of decimal places after which the decimal expansion of the rational number

\frac{23}{2^{2} \times 5}

will terminate, is

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 6

If

p_{1}

and

p_{2}

are two odd prime numbers such that

p_{1} > p_{2}

, then

{p^{2}}_{1} - {p^{2}}_{2}

is

EASY

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 7

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 $LCM (a, b)$ is

EASY

10th CBSE

IMPORTANT

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

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

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) =

EASY

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 =