Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Find the Odd One Out?
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By what process could you make a 'Tea-Table' into food?

What goes through cities and fields, but never moves?

You need to remove two matchsticks to make the below equation true. Can you do it ?

What is so fragile that saying its name breaks it?

I have branches, but no fruit, trunk or leaves. What am I?