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Which of these is a factor of 15?

• 3

• 10

• 9

• 7

Which is NOT a factor of 24?

• 6

• 4

• 5

• 12

What are the common factors of 14 and 7 ?

• 1, 7

• 1, 5

• 2, 14

• 3 , 7

6 is a multiple of 10. True or False?

• True

• False

Which of these numbers is a factor of every even number?

• 4

• 1

• 2

• 10

How many factors does the number 12 has?

• 0

• 5

• 7

• 6

What is the HCF of 4 and 6 ?

• 2

• 7

• 6

• 4

What is the highest common factor of 10 and 15?

• 3

• 5

• 6

• 15

What is the L. C. M of 4 and 5 ?

• 9

• 2

• 20

• 40

Which number is a composite number ?

• 12

• 5

• 13

• 31