A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

The more you take me, the more you leave me behind.
Who Am I?

Why Aeroplane windows are round?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.