There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

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?

Can you find the hidden animal in the picture below?

Why Wine Glass Stem is so long?

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

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

What is the next number in the series?

15 29 56 108 208 ?

Buy me, smell me or deliver me, I do not change.

Who am I?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?