Can you move 2 matchsticks to form four equal sized squares.

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Count the number of triangles in the below picture?

How many sides does a circle have?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

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

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?