Tag - permutation

[Aptitude] Permutation Combination made easy without Formulas






[Aptitude] PnC: All possible numbers using 012345, All possible words using ABCDE, Permutation Arrangement Made Easy with and without Formulas

Following types of questions pretty common in competitive exams: How many numbers of five digits can be formed with the digits 1,2,3,4 and 5, without repetition? How many words can be formed using all of the letters from A to E without repetition? How [...]