Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

Which is the correct shadow of the bird?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Forwards I am heavy, backward I am not. What am I?

If your uncle’s sister is not your aunt, what relation is she to you?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

What kind of tree can you carry in your hand?

Can you find a five letter word that is left with only two letters if one is removed?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?