The number of variables allowed in a structured is:

  1. 1

  2. 2

  3. 3

  4. Any number of variables can be declared in an array.


Correct Option: D
Explanation:

To solve this question, the user needs to know about variables and data structures.

A variable is a named storage location in a computer's memory that holds a value. In programming, variables are used to store and manipulate data.

A structured data type is a data type that groups together related values. Examples of structured data types include arrays, structs, and classes.

Now let's go through each option and explain why it is right or wrong:

A. 1: This option is incorrect. Variables are not limited to just one in a structured data type. Structured data types allow for the grouping of multiple variables together.

B. 2: This option is incorrect. Structured data types can have more than two variables. The number of variables allowed in a structured data type is not limited to any specific number.

C. 3: This option is incorrect for the same reason as option B. The number of variables allowed in a structured data type can be more than three.

D. Any number of variables can be declared in an array: This option is partially correct. Arrays are a type of structured data type that allows for the declaration of any number of variables. Arrays can hold multiple values of the same data type.

Therefore, the correct answer is:

D. Any number of variables can be declared in an array.

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