Question

Which of the following is a valid variable name?

(a)2A (b)A1 (c)LET​

Answer 1

(c) LET is a valid variable name

Explanation for the answer:

• Valid variables refers to those which can be used in a program in accordance with the variable naming rules.
• A valid variable name cannot start with a number or numeric values.
• No special characters can be used other than underscore(_), like ×*%#@ ., are prohibited in variable names.
• A valid variable name can only start with underscore or an alphabet.
• Some examples are: _marks, marks, MARKS, simple_interest etc.
• Hence, the correct answer among all the options is option (c) LET.

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