Best riddles

cleanlogic

Three switches in a room

You are standing next to three switches. You know these switches belong to three bulbs in a room behind a closed door – the door is tight closed, and heavy which means that it's absolutely impossible to see if any bulb is on or not. All three switches are now in position off. You can do whatever you want with the switches and when you are finished you open the door and go into the room. While in there you have to tell which switch belongs to which bulb. How will you do that?
Turn on the first switch and wait for a while. Turn off the first one and turn on the second. Go into the room. One bulb is shining, the second bulb is hot and the third one nothing.
83.46 %
74 votes

Throw away the outside and cook the inside

Throw away the outside and cook the inside, then eat the outside and throw away the inside. What is it?
Corn on the cob, because you throw away the husk, cook and eat the kernels, and throw away the cob.
83.45 %
42 votes

cleanlogicmath

Train's length

A 400 yard long train, travelling at 30 mph, enters a 4.5 mile long tunnel. How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?
9 minutes and 27.2727 seconds.
83.45 %
42 votes

cleanshort

No one can reach it

It's red, blue, purple and green. No one can reach it, not even the queen.
Rainbow.
83.45 %
42 votes

cleanshort

Girl slips on the ice

When a girl slips on the ice, why can't her brother help her up?
He can't be a brother and assist her (a sister).
83.45 %
42 votes

cleanshort

Up and down

What goes up and down the stairs without moving?
A rug.
83.45 %
42 votes

cleanlogicshort

Many Things At Once

It is greater than god, more evil than the devil, the poor have it, the rich need it, and if you eat it, you will die? What is it?
Nothing.
83.45 %
42 votes

animallogicmath

How many rabbits

You just bought a cute rabbit at a pet store. The rabbit can breed once every month, and deliver 7 babies at a time. How many rabbits do you have after 12 months?
One, it takes two rabbits to breed.
83.45 %
42 votes

logicshort

The rarest book in the World

A man had a book that was worth $40,000. There were only 2 books in existence. He threw it in the furnace, reducing it to a pile of soot. Why did he do this?
He destroyed the book because he has two, and by only having one, the value goes up.
83.45 %
42 votes

logicmathshort

Eight eights

Using eight eights and addition only, can you make 1000?
888 + 88 + 8 + 8 + 8 = 1000
83.45 %
42 votes