Why do you find that most of the buildings are deprived of the 13th floor?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

Find the number of squares in the below picture

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

No one wants to have it, but if one got it, he does not want to lose it. What is It?

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?

Count the number of lines in the image below ?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?