Mats Grade 6 Chapter 3 CBSE

Which of the following is a factor of 18?

• 10

• 9

• 7

• 5

What is the smallest prime number?

• 2

• 1

• 3

• 5

Which of the following numbers is a multiple of both 4 and 6?

• 24

• 36

• 18

• 8

How many factors does the number 36 have?

• 18
• 9
• 12
• 6

What is the sum of the factors of a perfect number equal to?

• Twice the perfect number
• Half the perfect number
• The perfect number itself
• The square of the perfect number

The multiples of a number are always:

• Greater than or equal to the number

• Fractions and decimals.
• Negative numbers only.
• Only positive integers.

Which of the following numbers is prime?
a) 15
b) 21
c) 31
d) 35

• 31

• 35

• 21

• 15

What is the greatest factor of any number?

• The smallest prime number
• One
• Zero
• The number itself

Which of the following numbers is a composite number?
a) 19
b) 23
c) 29
d) 30

• 30

• 29

• 23

• 19

What is the smallest composite number?

• 6
• 8
• 9
• 4