There are 2 sand hourglasses.
The small one can measure 5 hours and the large one can measure 7 hours.
How can we measure 16 hours with 2 sand hourglasses running together ?
You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?
Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.
Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'
To this, the man who was wearing the Green shirt said. 'Wow, thats right.'
Can you identify who is wearing which colour shirt ?
How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?
In the given picture, in how many ways can you read the word "Tiger"?
Iâ€™m tall when Iâ€™m young, and Iâ€™m short when Iâ€™m old. What am I?
Find the hidden tiger in the given optical illusion ?
How is a fly different from a mosquito?
A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.
In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?
What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.