29 Logic Riddles That’ll Challenge the Way You Think

A man is looking at a photo of someone. His friend asks, 'Who is it you’re looking at?' The man replies, 'Brothers and sisters, I have none. But that man's father is my father's son.' Who is in the photo?

You have 2 coins that equal 30 cents, and one of them is not a nickel. What are the coins?

A farmer has 17 sheep, and all but 9 run away. How many are left?

If there are four apples and you take away three, how many do you have?

How can a man go 8 days without sleep?

A girl kicks a soccer ball. It goes 10 feet and comes back to her. How?

The day before two days after the day before tomorrow is Saturday. What day is it today?

A man builds a house with all four sides facing south. A bear walks by the house. What color is the bear?

What 3 numbers give the same result when added and multiplied together?

You’re in a room with 3 switches. One controls a light in another room. You can only check once. How do you figure out which switch controls the light?

A train leaves New York heading west at 100 mph. Another train leaves Los Angeles heading east at 100 mph. Where do they meet?

Two fathers and two sons go fishing. They catch three fish and each gets one. How?

You walk into a room with a match, a candle, a lamp, and a fireplace. What do you light first?

Which weighs more: a pound of feathers or a pound of bricks?

You throw away the outside, cook the inside, eat the outside, and throw away the inside. What is it?

A man lives on the 10th floor. He takes the elevator to the 1st floor every morning. But on his way home, he only goes to the 7th floor and walks up the rest—unless it’s raining. Why?

How many times can you subtract 5 from 25?

What’s always in front of you but can’t be seen?

You have a barrel of water. What can you add to it to make it lighter?

What comes once in a minute, twice in a moment, but never in a thousand years?

What invention lets you look right through a wall?

What gets bigger the more you take away from it?

A man pushes his car to a hotel and tells the owner he’s bankrupt. Why?

A woman has six daughters. Each daughter has a brother. How many children are there?

What word becomes shorter when you add two letters to it?

I speak without a mouth and hear without ears. What am I?

How can you drop a raw egg onto a concrete floor without cracking it?

A man left home running. He ran away and then turned around. Who was he?

What can fill a room but takes up no space?