If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

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?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Why is the Hole below a Lock?

What can you hold in your right hand, but never in your left hand?

What 5-letter word typed in all capital letters can be read the same upside down?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

Why Wine Glass Stem is so long?

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

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?