If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?
Which number comes next in the number series? 2, 9, 30, 93, ?
How far can you walk into the woods?
A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?
Can you count the number of rectangles on a chessboard?
Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols. 9 # 8 # 7 # 6 # 5 # 4 = 91
what does this picture(rebus) riddle means ?
Which tank will fill first?
Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L. Can you find an "ology" that begins with a P?
I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?
There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across. How?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.