If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

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?

You can see three almost identical images below. Can you spot the odd one out from them?

Can you find the hidden animal in the picture below?

Which of the below owl is odd one out?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

If it took eight men ten hours to build a wall, how long would it take four men to build it?