Can you count the number of triangles in the given figure?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Can you find out the missing number in the grid?

Queen Elizabeth organised a royal party.

To Avoid uninvited guest royal family set a password.
Jack (an uninvited person) plan to enter the party. He stand nearby the door.

First guest comes, the security person said 'twelve' and guest replied with six.
Second guest comes , the security person said 'six' and guest replied with 'three'.

Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
He was immediately thrown out of the party. why ?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

You need to move three matchsticks to form three squares. Can you do it?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

The Little ant seems to be always confused. Do you know why?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?