Test questions for introductory divisibility concepts

📚 Quick Study Guide

• 🔢 Divisibility Rule for 2: A number is divisible by 2 if its last digit is even (0, 2, 4, 6, or 8).
• ➗ Divisibility Rule for 3: A number is divisible by 3 if the sum of its digits is divisible by 3.
• 🧮 Divisibility Rule for 4: A number is divisible by 4 if the number formed by its last two digits is divisible by 4.
• ➕ Divisibility Rule for 5: A number is divisible by 5 if its last digit is either 0 or 5.
• 💯 Divisibility Rule for 6: A number is divisible by 6 if it is divisible by both 2 and 3.
• ➗ Divisibility Rule for 9: A number is divisible by 9 if the sum of its digits is divisible by 9.
• ⭐ Divisibility Rule for 10: A number is divisible by 10 if its last digit is 0.

📝 Practice Quiz

1. Which of the following numbers is divisible by 3?
   1. 23
   2. 35
   3. 42
   4. 50
2. Which of the following numbers is divisible by 5?
   1. 22
   2. 33
   3. 44
   4. 55
3. Which of the following numbers is divisible by 2?
   1. 21
   2. 33
   3. 46
   4. 57
4. Which of the following numbers is divisible by 9?
   1. 19
   2. 28
   3. 36
   4. 47
5. Which of the following numbers is divisible by 4?
   1. 10
   2. 14
   3. 20
   4. 26
6. Which of the following numbers is divisible by 6?
   1. 11
   2. 23
   3. 30
   4. 41
7. Which of the following numbers is divisible by 10?
   1. 12
   2. 25
   3. 30
   4. 44