In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

What is the fastest way to double your money?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

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

What can jump higher than a building?

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

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

A blonde put eyeliner on her head. Why?