Read and analyze each questions carefully. Write the letter of the correct answer on your answer sheet.

1. Determine which of the following numbers is divisible by 237 using divisibility rules.
a. 2 c. 5
b. 3 d. 7
2. Which of the following number is NOT divisible by 8,712?
a. 7 c. 8
b. 4 d. 11

3. Which of the following statements about divisibility rules for 6 is correct?
a. The sum of the digits is divisible by 6
b. The last two digits are divisible by 6
c. The ones digit is even number
d. A number is divisible by both 2 and 3

4. Except for one, all of these digits are
divisible by ten.
a. 450 c. 677
b. 870 d. 700

5. What is the Least Common Multiple (LCM) of the digits 15 and 45?
a. 15 c. 45
b. 30 d. 60

6. What two digits are divisible by 828?
a. 3 and 9 c. 7 and 11
b. 5 and 10 d. 4 and 8

7. All even numbers are divisible by what number?
a. 7 c. 3
b. 2 d. 6

8. What is the Greatest Common Factor of 100, 130,150 and 175?
a. 5 c. 15
b. 10 d. 20

9. Fill in the missing digit in 13_ such that the result is divisible by five?
a. 2 c. 0
b. 4 d. 8

10. Any number that is divisible by both __ and ___ is also divisible by 12.
a. 2 and 6 c. 3 and 4
b. 5 and 10 d. 2 and 3

11. Ronald and Tim both did their laundry today. Ronald does laundry every 6 days and Tim does laundry every 9 days. How many days will it be until Ronald and Tim both do laundry on the same day again?
a. 6 c. 18
b. 12 d. 54

12. Sam and Carlos are bowling with plastic pins in Sam's living room. Remarkably, Sam knocks down 8 pins on every bowl, and Carlos knocks down 9 pins on every bowl. At the end of the day, Sam and Carlos have knocked down the same total number of pins. What is the least number of total pins that Sam and Carlos could have each knocked down?
a. 24 c. 35
b. 72 d. 56

13. There are 72 boys and 90 girls on the math team. For the next math competition, Mr. Johnson would like to arrange all of the students in equal rows with only girls or only boys in each row. What is the greatest number of students that can be in each row?
a. 18 c. 22
b. 20 d. 24​