- #1
smart_worker
- 131
- 1
i am trying to prepare for competitive exams.i purchased halliday and resnick.when i try to learn a chapter.i first go through the theory part.then when i come back to solve the numericals,my mind goes completely blank.i understood the chapter but when i come up with some tricky questions,i just don't know how.the same goes with chemistry and math.my iq is very low.what should i do to to solve them?