I shave every day, but my beard stays the same. What am I?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

I have Rs.50 and I spend it in the way as below.

What will you call your mother's brother's brother-in-law?

Can you decipher the below rebus?

PBLUESAISNUERSES

I look at you, you look at me, I raise my right, you raise your left. What am I?