How many derangements are there of the word MATHEMATICAL?
66294
Number of Derangements of the word BOTTLE
37991
How many different sizes of infinity are there?
28230
What bizarrities lurk within the decimal expansion of an irrational number?
125133
what is the definition of Mathematics ?
88738
Is "mathematics" singular or plural?
56475
How many undeletes does one have?
59788
Let T = {1000,1001...,9999}. How many numbers have at least one digit that is 0...
141633
How many perms of 4 from letters of MATHEMATICS?
16687
Number of Equivalence relations of $\{1,2,3\}$
2341
An expression that adds little information
122530
Number of zeros at the end of $k!$
55562
Number of total possibilities for an equation
52348
Counting the number of surjections.
54941
number of trailing zeros
70332
Is there a third dimension of numbers?
118130
Mathematical notation around the world
5858
Word whose form is contrary to its meaning?