Logic Puzzles Pack
25 riddles — A curated set of logic riddles that require careful reasoning to solve.
Riddle #1
Five men were eating apples, a finished before B, but behind C. D finished before E, but behind B. What was the finishing order?
Medium · logic
Riddle #2
A mother had five boys Marco, Tucker, Webster and Thomas. Was the fifth boys name Frank, Evan or Alex?
Hard · logic
Riddle #3
A clock chimes 5 times in 4 seconds. How many times will it chime in 10 seconds?
Easy · logic
Riddle #4
A man was to be sentenced and the judge told him you may make a statement. If you tell the truth I'll sentence you to 4 years, however, if you lie then I'll sentence you to 6 years.
After the man's statement the judge decides to let him go. What did the man say?
Hard · logic
Riddle #5
Two girls ate dinner together. They both ordered ice tea. One girl drank really fast and finished 5 in the time that took the other to drink just one. The girl who drank one died while the other survived. Both drinks were poisonous. How did the girl that drank the most survive?
Medium · logic
Riddle #6
What can travel around the world while staying in a corner?
Easy · logic
Riddle #7
Samuel was out for a walk and it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this be?
Easy · logic
Riddle #8
A ladder hangs over the side of a ship anchored in port. The bottom rung of the ladder touches the water. The distance between rungs is 30cm, and the length of the ladder is 270cm.
If the tide is rising at a rate of 15cm per hour, how long will it be before the water reaches the top rung?
Medium · logic
Riddle #9
When you have me not, you want me. But when you have me, you do not know. What am I?
Medium · logic
Riddle #10
An old man wanted to leave all of his money to one of his three sons, but he didn't know which one he should give it to. He gave each of them a few coins and told them to buy something that would be able to fill their living room. The first man bought straw, but there was not enough to fill the room. The second bought some sticks, but they still did not fill the room. The third man bought two things that filled the room, so he obtained his father's fortune. What were the two things that the man bought?
Hard · logic
Riddle #11
Two men play 5 games of checkers. Each man wins the same number of games. There are no ties. How is this possible?
Easy · logic
Riddle #12
There is a green house. Inside the green house there is a White house. Inside the White house there is a red house. Inside the red house there are lots of babies.
What am I?
Medium · logic
Riddle #13
What needs to be broken before it can be used?
Easy · logic
Riddle #14
An arm points north, east, south, then west.
Ever in circles, never pausing to rest.
It passes its brother twenty three times,
As the sun passes by and the moon starts to climb.
Easy · logic
Riddle #15
Suppose there are twin brothers, one which always tells the truth and one which always lies. (So in this case they both know what is true and false, or as you put it, both are accurate in their knowledge.) What one yes-no question could you ask to either one of the brothers to figure out which one he is?
Medium · logic
Riddle #16
My only timepiece is a wall clock. One day I forgot to wind it and it stopped. I went to visit a friend who has a watch which is always correct, stayed a while, and then went home. There I made a simple calculation and set the clock right.
How did I do this even though I had no watch on me to tell how long it took me to return from my friend's house?
Hard · logic
Riddle #17
What 5 letter word typed in all capital letters can be read the same upside down?
Hard · logic
Riddle #18
What is it that goes up and goes down but does not move?
Hard · logic
Riddle #19
What does this mean?
Nobody
Law
Easy · logic
Riddle #20
I turn around once. What is out will not get in. I turn around again. What is in will not get out. What am I?
Hard · logic
Riddle #21
Finished files are the result of years of scientific study combined with the experience of years.
How many F's are in the previous sentence?
Medium · logic
Riddle #22
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 many ducks are there?
Easy · logic
Riddle #23
How can you physically stand behind your father while he is standing behind you?
Easy · logic
Riddle #24
A man was found dead in his study. He was slumped over his desk and a gun was in his hand. There was a cassette recorder on his desk. When the police entered the room and pressed the play button on the tape recorder they heard: "I can't go on. I have nothing to live for." Then there was the sound of a gunshot. How did the detective immediately know that the man had been murdered and it wasn't a suicide?
Medium · logic
Riddle #25
You came to a fork in the road. One path leads to your destination, the other to a cliff 200 km away. There are two people there standing next to a sign. One who tells the truth and the other tells lies. What could you do to make sure you went to your destination?
Hard · logic
Answers
1. CABDE
2. The answer is Frank.
Each childs first name begins with the first letters of the days of the week
M, T, W, T, Frank
3. 11 times. It chimes at zero and then once every second for 10 seconds.
4. "You will sentence me to six years." If that statement was a lie the man would get 6 years which would really make his statement true. If it was true he would only get 4 years rendering the statement false. Refusing to go against his own word the judge decides to let him go.
5. The poison was in the ice, as she slowly drank her one drink, the melting ice released the poison.
6. A stamp
7. Samuel is blad
8. The ship will rise with the tide, so the water will always remain level with the first rung.
9. Sleep
10. The wise son bought a candle and a box of matches. After lighting the candle, the light filled the entire room.
11. They were not playing against each other
12. A watermelon.
Green=outer shell
White=next layer
Red=inside
Babies= the seeds
13. An egg
14. Clock
15. If I were to ask your brother whether you always tell the truth, what would he say?
A reply of "no" means you are talking to the truth teller, a reply of "yes" means you are talking to the liar.
Another possible question is: If I were to ask you whether you always tell the truth, what would you say?"
In the second case a reply of "yes" means you are talking to the truth teller and a reply of "no" means you are talking to the liar.
16. Before I left, I wound the wall clock. When I returned, the change in time equaled how long it took to go to my friends house and return, plus the time I spent there. But I knew the latter because I looked at my friends watch when I arrived and left.
Subtracting the time of the visit from the time I was absent from my house, and dividing by 2, I obtained the time it took me to return home. I added this time to what my friend watch showed when I left, and set the sum on my wall clock.
17. SWIMS
18. The temperature
19. Nobody is above the law
20. A Key
21. One of average intelligence finds three of them. If you spotted four, you're above average. If you got five, you can turn your nose at most anybody. If you caught six, you are a genius. There is no catch. Many people forget the "of"s. The human brain tends to see them as V's and not F's.
22. Just four, in a square formation.
23. Stand back to back
24. Someone had to have rewound the tape.
25. Look at the sign