How many 5-letter words are possible out of a 6-letter word?
33210
6-letter permutations in MISSISSIPPI
126734
Convert a number to its expression in words (e.g. 55 -> fifty-five)
18243
Number of occurences of letters in a word?
50238
How to calculate the number of palindromes of a given number of characters?
93459
Number of permutations of unspecified length
135696
Probability of an even number of sixes
88594
Multiple hyphens in a word
25283
Intermediate Text in Combinatorics?
71083
How many words can be formed from the letters of the word 'DAUGHTER' so that the vowels never come together?
150647
How many $6$-lentgh increasing sequence are there from $1$ to $49$?
142389
How to convert words to a number?
150679
Number of n-words such that a and b are not neighbors.
26619
Permutations of word 'mathematics'
140858
Number of ways to choose 6 objects when they are of 11 different kinds
122389
How can I generate a list of all possible permutations of several letters?
144025
Number of Solutions in this Number Puzzle
153654
How many non congruent trapeziums are possible with the side lengths from {1,3,4,5,6}