Find the number of squares in the 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?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What is the next number in this series?

4,12,84,3612....

O_er_t_o_

Complete the missing letters of the given word.

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

What kind of band never plays music?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

If an electric train is travelling south, then which way is the smoke going?

Can you solve below mathematical equation?

2^1234 - 2^1233