There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Why Wine Glass Stem is so long?

Count the Triangle in the figure given below:

Find out which of the given views in the picture is accurately the top view of the given pyramid.

In the given picture, you can find a square in the centre and four open squares. Can you form three closed squares by just moving three sticks from their positions respectively?

Can you count the number of blocks in the picture below?

I make two people out of one. What am I?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?