Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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

There was a strange boy who was born before his father. How can this be possible?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What does this rebus riddle mean?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

Why 1729 is a magic number? Answer Logically.