# Divisibility Rules for 3 and 9 Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to **Divisibility Rules for 3 and 9**. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using **Show Answer** button. You can use **Next Quiz** button to check new set of questions in the quiz.

### Answer : C

### Explanation

**Step 1:**

Rule of divisibility by 3: Sum of the digits of the number is divisible by 3.

**Step 2:**

Only 24 of the given numbers is divisible by 3 as the sum of its digits 2 + 4 = 6 is divisible by 3.

### Answer : B

### Explanation

**Step 1:**

Rule of divisibility by 9: The sum of the digits of the number is divisible by 9.

**Step 2:**

Only 27 of the given numbers is divisible by 9 as the sum of its digits 2 + 7 = 9 is divisible by 9.

### Answer : D

### Explanation

**Step 1:**

Rule of divisibility by 3: The sum of the digits of the number is divisible by 3.

Rule of divisibility by 9: The sum of the digits of the number is divisible by 9.

**Step 2:**

Only 36 of the given numbers is divisible by both 3 and 9 as the sum of its digits 3 + 6 = 9 is divisible by both 3 and 9.

### Answer : A

### Explanation

**Step 1:**

Rule of divisibility by 9: The sum of the digits of the number is divisible by 9.

**Step 2:**

Only 18 of the given numbers is divisible by 9 as the sum of its digits 1 + 8 = 9 is divisible by 9.

### Answer : B

### Explanation

**Step 1:**

Rule of divisibility by 3: The sum of the digits of the number is divisible by 3.

**Step 2:**

Only 48 of the given numbers is divisible by 3 as the sum of its digits 4 + 8 = 12 is divisible by 3.

### Answer : C

### Explanation

**Step 1:**

Rule of divisibility by 3: The sum of the digits of the number is divisible by 3.

Rule of divisibility by 9: The sum of the digits of the number is divisible by 9.

**Step 2:**

Only 63 of the given numbers is divisible by both 3 and 9 as the sum of its digits 6 + 3 = 9 is divisible by both 3 and 9.

### Answer : D

### Explanation

**Step 1:**

Rule of divisibility by 3: The sum of the digits of the number is divisible by 3.

**Step 2:**

Only 69 of the given numbers is divisible by 3 as the sum of its digits 6 + 9 = 15 is divisible by 3.

### Answer : A

### Explanation

**Step 1:**

Rule of divisibility by 9: The sum of the digits of the number is divisible by 9.

**Step 2:**

Only 81 of the given numbers is divisible by 9 as the sum of its digits 8 + 1 = 9 is divisible by 9.

### Answer : B

### Explanation

**Step 1:**

Rule of divisibility by 3: The sum of the digits of the number is divisible by 3.

**Step 2:**

Only 87 of the given numbers is divisible by 3 as the sum of its digits 8 + 7 = 15 is divisible by 3.

### Answer : D

### Explanation

**Step 1:**

Rule of divisibility by 3: The sum of the digits of the number is divisible by 3.

Rule of divisibility by 9: The sum of the digits of the number is divisible by 9.

**Step 2:**

Only 99 of the given numbers is divisible by both 3 and 9 as the sum of its digits 9 + 9 = 18 is divisible by both 3 and 9.