How many ways letters be placed so at least two of them are in wrong envelopes?
46999
How many fixed points in a permutation
62577
The number of ways to order 26 alphabet letters, no two vowels occurring consecutively
9242
Should individual letters be preceded with "an"?
65260
In how many ways can you select one of the two but not both?
120508
Why does the introduced part-title in letter appear twice?
74695
Rotating a table so that at least two name cards are correct
108845
How do I base an outlook rule on the number of "To:" addresses?
18389
What is the typographically correct way to typeset name initials?
99124
Is it true that only the positions of the first and last letter in a word matter, the rest can be scrambled?
14556
What is the proper way to write the plural of a single letter? (another apostrophe question)
29007
Multiple letters without spacing in Math
53823
How to fix the wrong number of unread emails flag in Outlook?
125451
What is the solution to the Squirrel sequence of letters question?
58093
Making pen and ink corrections on a UK visa form?
37559
Multiple diacritics on one character
18243
Number of occurences of letters in a word?
12291
Two envelope problem revisited