How to answer a question in exam?

To answer a question in exam you must first read the question and understand what is asked in it. After that in mind you can imagine the solution for the question and remember the answer you have studied. Now it's time to execute the answer on paper. Writing the answer is the reaction of the question with proper statement related to question having meaning in it. To write the answer you elaborate the answer in points with expalination if required. After writing complete answer you can check if any points is missing or not. If required you can also draw diagram wherever necessary. You can write in your words with confidence.