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?

Using eight eights and addition only, can you make 1000?

Can you find out the total number of triangles in the given figure?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

What do you see in the given picture?

What is the end of everything?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?