Floating Point Issues on C related Questions and Answers

Question :   Which of the following statement obtains the remainder on dividing 5.5 by 1.3 ? 1. rem = (5.5 % 1.3) 2. rem = modf(5.5, 1.3) 3. rem = fmod(5.5, 1.3) 4. Error: we can't divide Answer :   3 - rem = fmod(5.5, 1.3)