Time measurement task
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...
Detective’s find
Once a detective found a pipe, a top hat, a scarf,
a carrot and five pieces of coal lying together
in the middle of a field.
What...
A cup of tea. Creative Puzzle
A man called to a waiter in a restaurant, "There's a fly in my tea!"
The waiter replied, "I will bring you a fresh cup."...
Three cups puzzle
There are 3 empty teacups on the table. Can you put 10 lumps of sugar in them so that there would be an odd...
Round or square?
This is frequently asked interview puzzle
Why is it better to have round manhole covers than square ones?A round manhole cover cannot fall through its...
A bus stop pick-up riddle
While driving on your way home, you pass by a bus stop and see among the people waiting for the bus, an old lady...
Small coin in the bottle
A guy claims to do the following thing. He puts a coin in a glass bottle. Then, he shuts the mouth of the bottle...
Passage problem
A car with a container set in the body drives the road that leads under the railway bridge. Just before the bridge the driver...
Mystery of Missing Petrol
During the petrol transporting from one plant to another, the fuel tanker ever wasted 10 litres of petrol.
The process of filling the tank at...
Ship Ladder Puzzle
A ship is at anchor. Over its side hangs a rope ladder with rungs a foot apart. The tide rises at the...
King Akbar’s Line
One day the Great Akbar drew a line on the floor and asked his sage Birbal to shorten it without touching and wiping out...
The riddle of The Sphinx
The Sphinx lurked outside Thebes in ancient Greece, and demanded passers-by answer a riddle:
'Which creature in the morning goes on four legs, at...