Which one of the following numbers is an integer?

A.
1/4
B.
0
C.
.5
D.

I'll be glad to check your answer.

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To determine which one of the numbers is an integer, we must understand what an integer is. An integer is a whole number that can be positive, negative, or zero. It does not include any fractions or decimal points.

Let's look at the given options:

A. 1/4 - This is a fraction and not an integer.

B. 0 - This is an integer since it is a whole number and it can be defined as neither positive nor negative.

C. .5 - This is a decimal number and not an integer.

D. -3 - This is an integer as it is a whole number that is negative.

Therefore, the answer is B. 0, as it is the only option that satisfies the criteria for being an integer.