How many times do a clock's hands overlap in a day ?

How is the moon similar to a dollar?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

There is something which you can be arrested for attempting but not for successfully completing.

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

I cannot talk, but I always reply when spoken to. What am I?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?