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?

Can you count the number of quadrilaterals in the picture below?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

There was a kingdom in which the king had no heir to take over his thrown. Even the queen was dead and he himself was on the verge of dying. He thought about it and then summoned all of the teenagers. He gave one seed each to all of them and asked them to grow the plant. He announced that the one with the most beautiful plant will become the king/queen of the empire after the death of the king.

After a month, all of them were called. The king looked at all of the plants but announced the girl with an empty pot as the queen of the empire. Why?

What word does this rebus represent?

meta meta
meta meta

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?