**HCF and LCM** - Class 8 Mathematics CBSE ICSE

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**HCF and LCM**by practicing the below questions from class 8 Mathematics.###### Seema goes out for Gym every 9 days while her sister goes every 3 days. When would they go together if they last went together on October 6th 2011?

###### What is the HCF of two prime numbers?

###### Given two numbers, if the bigger number is a multiple of the smaller number, then the LCM is equal to the_______________.

###### The common factors of 90 and 100 are

###### 12 is a factor of 60 and 24. Then 12 is a factor of

###### Three bells ring at intervals of 5, 12 and 15 minutes respectively. If they ring together at 10 am at what time will they ring together next?

###### Product of two numbers = _____________.

###### The factors of 36 are 1,2,3,4,6,9,____,____ and 36

###### The smallest 3-digit number exactly divisible by 4,5 and 6 is __________.

###### The H.C.F of any three numbers is a product of ___________.

Topics in Class 8 Mathematics:

Introduction to Algebra

Algebraic Equations

Ratio and Proportion

Data Handling

Fractions

Decimals

Symmetry

Basic Geometrical Concepts and Understanding Elementary Shapes

Area and Perimeter

Integers

Playing with Numbers

Knowing our Numbers

HCF and LCM

Whole Numbers

Algebraic Expressions

Linear Equations in One Variable

Integers and Operations on Integers

Rational Numbers

Algebraic Equations

Ratio and Proportion

Data Handling

Fractions

Decimals

Symmetry

Basic Geometrical Concepts and Understanding Elementary Shapes

Area and Perimeter

Integers

Playing with Numbers

Knowing our Numbers

HCF and LCM

Whole Numbers

Algebraic Expressions

Linear Equations in One Variable

Integers and Operations on Integers

Rational Numbers

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