Datatypes on C# related Questions and Answers

Question :   Which of the following is the correct ways to set a value 3.14 in a variable pi such that it cannot be modified? 1. float pi = 3.14F; 2. #define pi 3.14F; 3. const float pi = 3.14F; 4. const float pi; pi = 3.14F; 5. pi = 3.14F; Answer :   3 - const float pi = 3.14F;