How is the moon similar to a dollar?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Can you move 2 matchsticks to form four equal sized squares.

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Replace the question mark with the correct number in below Picture:

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?