If a number is divisible by 4, which of the following must be true?

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Question: If a number is divisible by 4, which of the following must be true?

Options:

Correct Answer: Its last two digits form a number divisible by 4

Solution:

A number is divisible by 4 if the number formed by its last two digits is divisible by 4.

If a number is divisible by 4, which of the following must be true?

If a number is divisible by 4, which of the following must be true?

Step 1: Understand what 'divisible by 4' means. A number is divisible by 4 if you can divide it by 4 without leaving a remainder.
Step 2: Look at the last two digits of the number. For example, in the number 1234, the last two digits are 34.
Step 3: Check if the number formed by these last two digits is divisible by 4. In our example, check if 34 divided by 4 leaves a remainder.
Step 4: If the last two digits (like 34) can be divided by 4 evenly (like 34 ÷ 4 = 8.5, which is not even), then the whole number (1234) is not divisible by 4.
Step 5: If the last two digits can be divided by 4 evenly (like 32 ÷ 4 = 8, which is even), then the whole number is divisible by 4.

Divisibility Rules – A number is divisible by 4 if the number formed by its last two digits is divisible by 4.