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A number is divisible by 4, if ....

A number is divisible by 4, if ___________ .

A

the sum of the digits is divisible by 4

B

the sum of the last two digits is divisible by 4

C

the number formed by its last two digits is divisible by 4

D

the last digit is divisible by 4

Text Solution

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The correct Answer is:
To determine when a number is divisible by 4, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Number**: Let's consider any number, for example, 124. 2. **Look at the Last Two Digits**: For the number 124, the last two digits are 24. 3. **Check Divisibility of Last Two Digits by 4**: We need to check if 24 is divisible by 4. 4. **Perform the Division**: Divide 24 by 4. - Calculation: \( 24 \div 4 = 6 \) - Since 6 is a whole number, 24 is divisible by 4. 5. **Conclude for the Original Number**: Because the last two digits (24) are divisible by 4, we can conclude that the original number (124) is also divisible by 4. 6. **Formulate the General Rule**: Therefore, we can state that a number is divisible by 4 if the number formed by its last two digits is divisible by 4. ### Final Statement: A number is divisible by 4 if the number formed by its last two digits is divisible by 4. ---
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