1.Which of the following is a common factor of 18 and 27?
A. 6
B. 9
C. 18
D. 27
2. The greatest common factor of 15 and 30 is ____.
A. 3
B. 5
C. 15
D. 30
3. The greatest common factor of 16, 24 and 40 is ____.
A. 4
B. 5
C. 6
D. 8
4. Which of the following set of numbers are relatively prime?
A. 12, 30, 15
B. 10, 27, 43
C. 6, 15, 27
D. 3, 9, 12
5. The LCM of 2, 3, 4 and 5 is.
A. 20
B. 30
C. 50
D. 60
6. A common multiple of 3, 5, 9 and 10 is
A. 30
B. 50
C. 90
D. 100
7. If you add the LCM of 8, 12, and16 to the GCF of 72 and 27, their sum will be ____?
A.16
B. 48
C. 57
D. 72
8. There are 48 cups of mango juice and 72 cups of orange juice to be arranged in equal rows. Each row should have only one kind of juice. What is the greatest number of cups that can be in one row?
A.24 cups
B. 36 cups
C. 48 cups
D. 72 cups
9. Two lights blink at the same time at 7:00 P.M. One light blinks every 15 minutes. The other blinks every 12 minutes. At what time will both lights blink together again?
A. 6:30 P.M
B. 6:45 P.M
C. 7:00 P.M
D. 8:00 P.M
10. Allan has 36 bananas, 60 chicos and 100 pears. He wants to put them in small trays. Each tray must contain the same kind of fruit and all trays must have the same number of fruits. What is the largest number of fruits that a tray can contain?
A. 4
B. 1
C. 18
D. 20


Gagawin ko pong brainliest yung ta lahat ng sagot​