What goes up but never comes down?

Where do fish keep their money?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Why are all black people so quick ?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Can you make a six-letter word using the letters N, A and B ?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Move three sticks of the spiral below to form a square.