What are the factors of $57$?
 

Important Questions on Playing with Numbers

EASY

6th ICSE

IMPORTANT

ICSE MATHEMATICS - 6>Chapter 4 - Playing with Numbers>EXERCISE 4.2>Q 9

Write all the multiples of $8$ upto $100$.
 

EASY

6th ICSE

IMPORTANT

ICSE MATHEMATICS - 6>Chapter 4 - Playing with Numbers>EXERCISE 4.2>Q 9

How many multiples of $2$ are there from $1$ to $20$?

EASY

6th ICSE

IMPORTANT

ICSE MATHEMATICS - 6>Chapter 4 - Playing with Numbers>EXERCISE 4.2>Q 10

Find whether the following are perfect numbers.
$12$
 

EASY

6th ICSE

IMPORTANT

ICSE MATHEMATICS - 6>Chapter 4 - Playing with Numbers>EXERCISE 4.2>Q 10

Find whether the following are perfect numbers.
$24$
 

EASY

6th ICSE

IMPORTANT

ICSE MATHEMATICS - 6>Chapter 4 - Playing with Numbers>EXERCISE 4.2>Q 10

Find whether the following are perfect numbers.
$28$

EASY

6th ICSE

IMPORTANT

ICSE MATHEMATICS - 6>Chapter 4 - Playing with Numbers>EXERCISE 4.3>Q 1

The only prime number which is even is _____ .
 

EASY

6th ICSE

IMPORTANT

ICSE MATHEMATICS - 6>Chapter 4 - Playing with Numbers>EXERCISE 4.3>Q 1

A number which is the sum of all its factors except itself is called a _____ number.

EASY

6th ICSE

IMPORTANT

ICSE MATHEMATICS - 6>Chapter 4 - Playing with Numbers>EXERCISE 4.3>Q 2

Which among the following is a prime number?