Hello aspirant!

Common Entrance Test or CET is an entrance test for engineering. It is based on application part of the syllabus that you have learnt in 11th and 12th. The questions are multiple choice and in most of the questions you need to solve the problems.

Preparing for CET is very different from boards as in boards you focus more theory, derivations and diagrams more. However, CET or any entrance exam for that matter, requires a lot of efforts and practice. You must be very quick and concentrated and must a few tricks and techniques.

1. Solve sample question papers daily and set a timing too.
2. Dedicate more time for difficult topics and focus on important concepts first.
3. Revise all the formulae everyday along with their explanation, you must be thorough in it.
4. Understand the pattern of exam and kind of questions that are likely to appear.
5. Read NCERT textbook properly as a few questions can be asked directly from NCERT.
6. Learn a few tricks and hacks so that you can avoid some lengthy calculations at certain places.
7. You must know approximate values of commonly used constants, logs, square roots, cube roots etc., chemical compositions of certain compounds and their molecular weights etc.

You can prepare for CET in 20 days or so, but you can't master the topics. Continous practice is what helps you to score better. Nevertheless, begin your preparation as soon as you can. All the best!