Cool Puzzles

Frog and Well Puzzle

Puzzle: A frog is at the bottom of a 30 meter well. Each day he summons enough energy for one 3 meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him Read More →

Car Wheels Problem

Puzzle: A car has 4 tyres and 1 spare tyre. Each tyre can travel a maximum distance of 20000 kilometers before wearing off. What is the maximum distance the car can travel. You are allowed to change tyres (using the spare tyre) unlimited number of times. Note: All tyres are used upto their full strength. Read More →

Secret Mail Problem

Puzzle: A wants to send a secret message to his friend B in the mail. But C (A’s Friend), who A don’t trust, has access to all A’s mail. So A put his message in a box with a lock. But A is not allowed to send a key! How can A send his message Read More →

Colour of the Bear?

Puzzle: A bear falling from a height of 10m on the ground in square root of 2 seconds. what is colour of bear? We would advise you to think yourself before reading the answer below. Solution: S=(1/2)g(t^2) or g=(2S)/(t^2) So g=10m/s, this is the maximum value of gravity on earth and occurs at the POLES. Read More →

5 Pirates Fight for 100 Gold Coins Puzzle

Puzzle: There are 5 pirates in a ship. Pirates have hierarchy C1, C2, C3, C4 and C5.C1 designation is the highest and C5 is the lowest. These pirates have three characteristics : a. Every pirate is so greedy that he can even take lives to make more money.  b. Every pirate desperately wants to stay Read More →

Fun & Game Puzzle

interview riddle

Puzzle: You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game. Would you want to play first or second? PS: The sum should be Read More →

Who is married to Cam Puzzle?

Puzzle: Three men – Sam, Cam and Laurie – are married to Carrie, Billy and Tina, but not necessarily in the same order. Sam’s wife and Billy’s Husband play Carrie and Tina’s husband at bridge. No wife partners her husband and Cam does not play bridge. Who is married to Cam? Solution: Carrie is married Read More →

Burning Rope Timer Puzzle

Daily Puzzle

Puzzle: A man has two ropes of varying thickness (Those two ropes are not identical, they aren’t the same density nor the same length nor the same width). Each rope burns in 60 minutes. He actually wants to measure 45 mins. How can he measure 45 mins using only these two ropes. He can’t cut Read More →

Grandma and Cake – Logical Puzzle

Puzzle: You are on your way to visit your Grandma, who lives at the end of the valley. It’s her anniversary, and you want to give her the cakes you’ve made. Between your house and her house, you have to cross 5 bridges, and as it goes in the land of make believe, there is a troll under every Read More →

Prisoner and two Doors Puzzle


Problem: Court takes decision to relax the sentence given to criminal if he can solve a puzzle. Criminal has to take decision to open one of the doors. Behind each door is either a lady or a tiger. They may be both tigers, both ladies or one of each. If the criminal opens a door Read More →

100 Wrong Statements puzzle

Puzzle: There are 100 statements. 1st one says : at least one is wrong. 2nd one says : at least two are wrong. 3rd one says : at least three are wrong. 4th one says : at least four are wrong. and so on. 100th one says : at least 100 are wrong. How many statements Read More →

Cashier’s Puzzle


Problem: An engineer goes to a bank with a check of $200 and asks the cashier “Give me some one-dollar bills, ten times as many twos and the balance in fives!”. What will the cashier do? Solution: The smallest amount of one-dollar and two-dollar bills the cashier may give to the old man is 1×1 Read More →