The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

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

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

What does below Rebus mean ?

esgg sgeg gegs gsge

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

What begins with T, ends with T, and has T in it?