AMU is all about speed and accuracy so If you are well prepared for JEE Main you can easily crack AMU entrance exam. You can prefer NCERT books to clear your basic concepts.
Apart, from NCERT you can refer HC Verma for physics, OP tandon for chemistry and RD Sharma for Mathematics.
Solve Previous year papers to understand the exam pattern and level of the questions.
You should also refer to complete mock test series for your practice.