Learn essential techniques for solving permutations and combinations problems in competitive exams like NDA, JEE, CETs, BITSAT, COMEDK, and more. Master shortcuts for finding word ranks in dictionaries, both with and without repetition. Explore super tricks for tackling various permutation and combination scenarios, applicable to IIT JEE, NDA, Air Force, Railways, Banking, and SSC-CGL exams. Review most frequently repeated questions from past NDA exams, along with effective strategies and tricks to solve them efficiently.