Logic Riddles with Answers

What is as light as a feather but impossible to hold for 20 minutes?

What is the significance of the following: The year is 1978, thirty-four minutes past noon on May 6th.

A man is writing a letter. The power goes off and he dies. Why?

You see a boat filled with people. You look again, but this time you don't see a single person on the boat. Why? Hint: The boat h...

As I was going to St Ives I met a man with seven wives Each wife had seven sacks Each sack had seven cats Each cat had seven kits...

First tell me who lives in disguise, who deals in secrets and tells naught but lies. Next, give me the sound often heard during t...

There were an electrician and a plumber waiting in line for admission to the Home Show. One of them was the father of the others s...

There were two men walking around on a deserted island with no food or water. One of the men got so hungry that he killed and ate...

A doctor gives you three pills and tells you to take one every half an hour. How long will the pills last?

You're in a room with no windows and no doors. All that's in there is a table and a mirror. How do you get out?

A man is in a maze, suddenly the power shuts off. He walks on and it gets colder and colder. He comes to a set of doors numbered 1...

There are nine metal dice. 1 die is slightly lighter than the other 8. If you had a balance scale and only two attempts, how could...

A clock chimes 5 times in 4 seconds. How many times will it chime in 10 seconds?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at t...

Walking home one day, you take a short cut along the train tracks. The tracks cross a narrow bridge over a deep gorge. At the poin...

There are two doors and there is one guard for each door. One door leads to life and the other leads to death. You have only one q...

There are 2 ducks in front of 2 other ducks. There are 2 ducks behind 2 other ducks. There are 2 ducks beside 2 other ducks. How m...

A man decides to buy a nice horse. He pays $600 for it and he is very content with this strong animal. After a year the value of t...

The world's tallest skyscraper took seven years to build. Each year the workmen were able to double its height. How many years did...

A woman shoots her husband, then holds him under water for five minutes. Finally, she hangs him. Five minutes later they enjoy a w...

I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. After much t...

Jenna wrote all the numbers from 300 to 400 on a piece of paper. How many times did she write the digit 3?

A man went on a trip with a fox, a goose and a sack of corn. He came upon a stream which he had to cross and found a tiny boat to...

Finished files are the result of years of scientific study combined with the experience of years. How many F's are in the previous...