Question 1

Which of the following are factors of 15?

Accepted Answer

1 , 3 , 5 , 15

Answer

1 , 3 , 5 , 7 , 13 , 15

Answer

15 , 30

Answer

5 , 10 , 15

Question 2

All of the following are factors of 12. Which of these is not?

Accepted Answer

8

Answer

3

Answer

4

Answer

6

Question 3

Which of the following is not a multiple of 4?

Accepted Answer

18

Answer

16

Answer

36

Answer

28

Question 4

Choose the correct multiples of 3.

Accepted Answer

6 , 9 , 15 , 21 , 27

Answer

3, 6, 8, 12, 18

Answer

12 , 14 , 16 , 18 ,20

Answer

9 , 16 , 21 , 24 , 30

Question 5

Which is a prime number?

Accepted Answer

97

Answer

99

Answer

93

Answer

95

Question 6

Which of the following is a composite number?

Accepted Answer

49

Answer

47

Answer

41

Answer

43

Question 7

Which of these numbers is a prime number?

Accepted Answer

59

Answer

35

Answer

51

Answer

48

Question 8

Write 16 as a product of its prime factors.

Accepted Answer

2 x 2 x 2 x 2

Answer

2 x 2 x 2 x 2 x 2

Answer

2 x 3 x 3

Answer

2 x 2 x 3

Question 9

How is 48 written as a product of its prime factors?

Accepted Answer

2 x 2 x 2 x 2 x 3

Answer

2 x 3 x 8

Answer

2 x 2 x 2 x 6

Answer

6 x 8

Question 10

Write 72 as a product of its prime factors.

Accepted Answer

2 x 2 x 2 x 3 x 3

Answer

3 x 3 x 3 x 3

Answer

2 x 2 x 2 x 3

Answer

2 x 2 x 2 x 2 x 2 x 2

Question 11

What is the Greatest Common Factor(GCF) of 14 and 28?

Accepted Answer

14

Answer

7

Answer

9

Answer

28

Question 12

What is the Greatest Common Factor(GCF) of 12 and 18?

Accepted Answer

6

Answer

9

Answer

3

Answer

12

Question 13

What are the common factors of 21 and 35?

Accepted Answer

1 and 7

Answer

5 and 7

Answer

3  and 7

Answer

1 and 5

Question 14

What is the Greatest Common Multiple(LCM) of 8 and 3?

Accepted Answer

24

Answer

8

Answer

48

Answer

3

Question 15

What is the Least Common Multiple(LCM) of 9 and 15?

Accepted Answer

45

Answer

6

Answer

3

Answer

15

Question 16

What are the first 5 common multiples of 4 and 8?

Accepted Answer

8 , 16 , 24 , 32 , 40

Answer

4 , 8 , 12 , 16 , 24

Answer

5 , 10 , 15 , 20 , 25

Answer

2 , 4 , 6 , 8 , 10

Question 17

Jarcel exercises every 12 days and Jayvee every 8 days. Jarcel and Jayvee both exercised today. How many days will it be until they exercise together again?

Accepted Answer

24

Answer

20

Answer

18

Answer

12

Question 18

Three girls went swimming at the river. After swimming, they collected stones. They collected 48 white stones and 60 brown stones. What was the greatest number of stones they collected per hour if they collected the same number of stones per hour?

Accepted Answer

12

Answer

20

Answer

6

Answer

24

Question 19

Dayne and Amielle are going to pack old books with 6 Science books and 8 mathematics books in a box. What will be the smallest number of Science books and Mathematics books that they can pack if these are of the same number?

Accepted Answer

24

Answer

16

Answer

12

Answer

32

Question 20

Lyka baked 48 cookies and 64 cupcakes. If she will pack these in boxes with the same number, what is the biggest number of cookies and cupcakes that can be packed in a box?

Accepted Answer

16

Answer

24

Answer

32

Answer

64

Related quizzes

Related quizzes