ICSE NumbersWiz 6>Chapter 7 - Playing With Numbers>Mental Maths>Q 9

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IMPORTANT

Earn 100

What is the H.C.F of $5, 10$ and $15$ ?

100% studentsanswered this correctly

Important Questions on Playing With Numbers

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6th ICSE

IMPORTANT

ICSE NumbersWiz 6>Chapter 7 - Playing With Numbers>Mental Maths>Q 10

What is the H.C.F of

8, 12

and

20

?

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6th ICSE

IMPORTANT

ICSE NumbersWiz 6>Chapter 7 - Playing With Numbers>Mental Maths>Q 11

Find the least multiple of

5

which is divisible by both

2

and

3 ?

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ICSE NumbersWiz 6>Chapter 7 - Playing With Numbers>Mental Maths>Q 12

Which of the following are the prime numbers?

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ICSE NumbersWiz 6>Chapter 7 - Playing With Numbers>Mental Maths>Q 13

Write down the numbers between

10

and

20

which have exactly

2

factors.

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ICSE NumbersWiz 6>Chapter 7 - Playing With Numbers>Mental Maths>Q 14

Find the sum of all the prime numbers between

1

and

10

.

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ICSE NumbersWiz 6>Chapter 7 - Playing With Numbers>Chapter Assessment>Q 1

Fill in the blanks.

Numbers with only two factors, one and itself are called _____ numbers.

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ICSE NumbersWiz 6>Chapter 7 - Playing With Numbers>Chapter Assessment>Q 1

Fill in the blanks.

The smallest composite number is _____.

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ICSE NumbersWiz 6>Chapter 7 - Playing With Numbers>Chapter Assessment>Q 1

Fill in the blanks.

A set of three consecutive prime numbers differing by $2$ is called a _____.