P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Spot 5 differences in two Christmas tree below:

Can you find out the total number of triangles in the given figure?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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

A father's child, a mother's child, yet no one's son.

Who am I?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?