Which of the following statements correctly defines a named constant named TAX_RATE that holds the value 0.075?
A) double TAX_RATE = 0.075;
B) const TAX_RATE;
Double TAX_RATE = 0.075;
C) const double TAX_RATE = 0.075;
D) double TAX_RATE;
Const TAX_RATE = 0.075;
E) const TAX_RATE = 0.075;

Question

Quizplus · Accepted Answer

The correct way to define a named constant in C++ is by using the 'const' keyword followed by the data type and the value that the constant holds. Therefore, option C is the correct choice as it defines a named constant named TAX_RATE that holds the value 0.075. Option A is also correct, but it uses a redundant data type 'double' which is not necessary since the value can be stored as a constant. Options B, D and E are incorrect because they do not follow the correct syntax for defining a named constant.

Which of the Following Statements Correctly Defines a Named Constant