C MCQs :- multiple choice questions and answers. e.g C MCQS,C Mock Tests , C Practice Papers ,C Sample Test,C Sample questions

Question 1: Which of the following are the correct ways to increment the value of variable a by 1? 1. ++a++; 2. a += 1; 3. a ++ 1; 4. a = a 1. +1; 5. a = +1;

1, 3

2,4

3,5

4,5