Can you make four (4) nines (9) equal 100?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

Solve the counting riddle by identifying the number of triangles in the given picture.

You need to arrange three 7 and mathematical symbols to form number 1?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

What has one eye, but can’t see?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Can you place six X (crosses) in below board without making three in a row in any way ?

What is always in front of you but can’t be seen?