Best short riddles

logicmathsimpleclean

The digits 0-9(0,1,2,3,4,5,6,7,8,9) can be rearranged into 3628800 distinct 10 digits numbers. How many of these numbers are prime?
None. The sum of numbers from 0-9(0,1,2,3,4,5,6,7,8,9) is 45 and therefore can be divisible by 3 and 9.
85.67 %
39 votes
logicmath

Think of a number. Double it. Add ten. Half it. Take away the number you started with. What is your number?
Your number is 5.
85.67 %
39 votes
cleansimple

A natural state, I'm sought by all. Go without me and you shall fall. You do me when you spend, and use me when you need to eat to no end.
Balance.
85.67 %
49 votes