Institution: SONALI BANK LTD Exam: Sonali Bank Ltd - Assistant Programmer - 26.08.2016 ||
Topic: ICT (তথ্য ও যোগাযোগ প্রযুক্তি), Subject: Computer and ICT (তথ্য ও যোগাযোগ প্রযুক্তি)

Best Answer Explained in Below-:

The term "int-length" in option A refers to a declaration for an integer variable that also typically indicates the range of values the integer can hold. However, it's essential to clarify that the option's wording might cause confusion because "int-length" isn't a standard keyword or datatype used in programming languages such as C, C++, or Java.

In most programming languages, "int" denotes an integer type, which is a common data type to represent whole numbers. It is often paired with modifiers or additional specifications such as "long" or "short" to adjust the size and range of the integer, but "length" does not correspond to an existing keyword in conventional terminology for data types.

The options B ("char-int"), C ("int long"), and D ("float double") either mix incompatible types or use non-standard syntax. For example, "char-int" is meaningless since it suggests a combination of characters and integers without any valid operator or context, while "float double" lists two separate data types without defining any variable.

Therefore, despite the limitations of the term "int-length", it is the only option that suggests an acceptable integer type, though technically "int" alone is sufficient in proper declarations. The correct context would require clarification but highlights the importance of understanding variable types in programming.