Which is faster, Heat or Cold ? Explain.

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?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Can you find the thief by just looking at the picture below?

There is a place where if I stand up straight, I will still be considered sideways.

Which is heavier: a ton of bricks or a ton of feathers?

How many times in a given day, minutes and hour clock comes in a straight line ?

I am sure no one can have two things for dinner. what are they?

Can you count the number of squares in the figure below?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?