Which numeric datatype represents a limited range of whole numbers?

The choice of Int32 as the correct answer is accurate because it specifically refers to an integer data type that can hold whole numbers within a certain limited range. In computing, Int32 is a 32-bit signed integer, meaning it can represent positive and negative whole numbers that range from -2,147,483,648 to 2,147,483,647.

This datatype is designed for situations where only whole numbers are needed without any decimal precision, making it efficient in terms of storage and performance when dealing with large datasets that contain integer values.

Other datatypes mentioned in the options serve different purposes. For instance, Float, Double, and Decimal are used to represent numbers that can include fractions or decimals, and they have varying degrees of precision and range. Therefore, they do not fit the criteria of representing a limited range of whole numbers as effectively as Int32 does.