I am an odd number. Take away a letter and I become even. What number am I?

In the picture given below, can you find out which digit will take place of the question mark?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Out of four images which one is the odd one out?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

Can you find a five letter word that is left with only two letters if one is removed?

What has a bottom at the top?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?