Question

A___is a group of data element that may have different data types.​

Answer 1

Program is the answer

Answer 2

An Array is a class of data elements that may have different data types.​

Explanation:  

An Array declared as Object can constitute different data type elements. The “System.Object” is the base class for all the other types, an element declared in an array can make reference to other forms of object. This enables to store multiple data types, such that derive from a common base type or implement a common interface. To retrieve data types, the respective element in the object array converted to the appropriate data type.