more math problems for those that are bored

stl2cali2k1
Sat, 15 Nov 2008 02:10:49 +0000

If x is a positive number and x^y = .25x^(2+y), then x=?

If x is the smallest positive integer that has 12 and 81 as a divisor, then what is x?

How many digits are there in 25^25?