Top 25 Puzzles
What is maximum amount of coin that Pirate A might get?
Each of them burns for one hour. They burn unevenly in different parts though – it means that one half can burn for 20 minutes and other half for 40 minutes. In addition you have a box of matches.
Measure 15 minutes!
- The lady gives him a Rs 1000 note.
- The shopkeeper gets the change from the next shop, keeps Rs 200 for himself, and returns Rs 800 to the lady.
- Later the shopkeeper of the next shop comes with the Rs 1000 note saying “fake note” and takes his money back. How much of a loss did the shopkeeper take?
How will you do it?
4 people want to cross it before it will collapse. It is a dark night and there is only one torch between them. Only two people can cross at a time.
“A” takes a minute to cross.
“B” takes 2 minutes.
“C” takes 5
and “D” takes 10 minutes
How do they all cross before the bridge collapses?
The Emperor offers you a last chance to live by playing a simple game.
He gives you 50 black marbles, 50 white marbles and 2 empty bowls.
He then says, “Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK you will die.”
How do you divide the marbles up so that you have the greatest probability of saving your life that is choosing a WHITE marble?
- If an egg drops from the Nth floor or above it will break.
- If it’s dropped from any floor below, it will not break.
You’re given 2 eggs.
How many drops you need to make?
What strategy should you adopt to minimize the number egg drops it takes to find the solution?
- Dollar amount in cent, and
- Cent amount in dollars.
How much was have you written on cheque ?
What numbers are on the faces of the cubes to allow this? Note: You can’t represent the day “7” with a single cube with a side that says 7 on it. You have to use both cubes all the time. So the 7th day would be “07”.
Restriction:- Without the process taking longer than nine minutes.
You can choose any bulb and change the neighbor’s state i.e. ON to OFF or OFF to ON.
Doing so, What is the maximum number of bulbs we can turn on?
What is the most bananas you can bring over to your destination?
The poison exhibits no symptoms until death. Death occurs within ten to twenty hours after consuming even the minutest amount of poison.
What is the smallest number of prisoners you must have to drink from the bottles to be absolutely sure to find the poisoned bottle within 24 hours?
- Sam: I don’t know what the numbers are Pete.
- Pete: I knew you didn’t know the numbers… But neither do I.
- Sam: In that case, I do know the numbers.
You can only ask one question to one of them in order to find the way to heaven. What is the question?
You are allowed to pick as many fruits as you want from each jar to fix the labels on the jars. What is the minimum number of fruits that you have to pick and from which jars to correctly label them?