Answer:
Option(c) is the correct answer to the given question.
Explanation:
In the given question car is the structure and mycar is the instance or the object of the class also the object mycar holds two variables of type integer and the one float variable .
Following are the syntax of operator overload in C++ programming language
Now according to the question the option(c) follows the correct syntax of operator overload
All the other option do not follow the correct prototype that's why these are incorrect option .