Topic Riddle me this, riddle me that.
You have 12 black socks and 12 white socks mixed up in a drawer. It's early in the morning and you don't have any light to see the colors. How many socks must you pull out (blindly) to be sure of getting a matching pair?
Find the number that logically completes the following series: 2, 3, 5, 9, 17,
What number comes next in this series: 9, 16, 25, 36?
If it takes 5 minutes to dry a t-shirt on a clothes wire, how long would it take to dry 5 t-shirts?
Divide 40 by 1/2 and add ten. What do you get?
At a secret family meeting, everyone shakes hands exactly once with every other person present. If there was a total of 28 handshakes, how big was the family?
A farmer has 17 sheep, all but 9 die. How many are left?
I'm full of holes but I can still hold water. What am I?
If a billion comes after a million, what number follows a billion?
What occurs once in every two minutes, twice in every moment, yet never in a thousand years?