Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

What seven-letter word has hundreds of letters in it?

What does this rebus riddle means ?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Rearrange the letters in "new door" to make one word.

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

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 ?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?