1. Which of the following is the LCM of 5 and 7?

A. 10 B. 23 C. 35 D. 40


2. Which of the following is the LCM of 15 and 9?

A. 3 B. 15 C. 45 D. 135


3. 18, 36, and 54 are multiples of what number?

A. 3 B. 5 C. 7 D. 10

4. If the numbers are 81 and 99, what is the GCF?

A. 3 B. 9 C. 12 D. 16


5. Which of the following is the GCF of 30 and 45

A. 5 B. 6 C. 15 D. 30


6. Which of the following are the common factors of 12 and 8?

A. 1, 2 and 4 B. 2 and 4 C. 1,2,4 and 8 D. 1 and 4


7. If 63 is the LCM of 7 and 9, what is the LCM of 2, 3, and 12?

A. 6 B. 12 C. 18 D. 24


8. The following numbers are the common factors of 8 and 24 EXCEPT ______.

A. 2 B. 4 C. 8 D. 10


9. Blackie, Whitey, and Brownie are neighborhood dogs. Blackie consistently

barks every 5 minutes, Whitey every 4 minutes, and Brownie every 6

minutes. If they barked simultaneously at 10:00 P.M., at what time will

they bark simultaneously again?

A. 11:00 P.M. B. 12:00 A.M C. 1:00 A.M. D. 2:00 A.M


10. Richard bakes 42 cupcakes and 54 cookies. He plans to pack them

separately in small boxes. What is the biggest number of cupcakes and

cookies that can be placed in boxes if these are of the same number?

A. 6 cupcakes and cookies C. 7 cupcakes and 9 cookies

B. 60 cupcakes and cookies D. 9 cupcakes and 7 cookies




Paki Answer Nalang Po Lahat Ty Po! ​