Home > Practice > Arithmetic Aptitude > Permutations and Combinations > Miscellaneous
1. If letters of the work KUBER are written in all possible orders and arranged as in a dictionary, then the rank of the word KUBER will be:

Solution:
Total words starting with B = 4! = 24
Total words starting with E = 4! = 24
Total words starting with KB = 3! = 6
Total words starting with KE = 3! = 6
Total words starting with KR = 3! = 6
If Starting word will be KUBER, then rank of KUBER,
= 24 + 24 + 18 + 1
= 67

You must login to add comments. Login now.