CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Exercise 1.2>Q 4

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10th CBSE

IMPORTANT

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What is the $HCF$ of the smallest prime number and the smallest composite number.

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Important Questions on Real Numbers

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Exercise 1.2>Q 5

Write the number of zeroes in the end of the number whose prime factorisation is

2^{2} \times 5^{3} \times 3^{2} \times 17

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Exercise 1.2>Q 6

Find the

LCM of 96 and 360

by using fundamental theorem of arithmetic.

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Exercise 1.2>Q 7

Find the

HCF and LCM

of

404 and 96

and verify that

HCF×LCM=Product of two numbers

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Exercise 1.2>Q 7

Find the

HCF and LCM

of

306 and 657

and verify that

HCF×LCM=Product of two numbers

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Exercise 1.2>Q 8

Find the

HCF×LCM

of the numbers

105 and 120

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Exercise 1.2>Q 8

The

HCF and LCM

of two numbers are

9 a n d 459

respectively. If one number is

27

, find the other.

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Exercise 1.2>Q 9

Using prime factorisation method, find the

HCF of 8624 and 21658

. Hence, find the

LCM of 8624 and 21658

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10th CBSE

IMPORTANT

CBSE Syllabus Standard Mathematics for Class X>Chapter 1 - Real Numbers>Exercise 1.2>Q 10

Find the

LCM and HCF

of

15, 18, 45

by using prime factorisation method.