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?

During which month do people sleep the least?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Count the squares in the matchstick puzzle below?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Using Only Five 5's and any mathematical operator make sum as 37