What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

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?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

Replace the question mark with the correct number in the below-given picture?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Out of four images which one is the odd one out?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Find the Goldfish below the given Image.

What does the below image rebus riddle means ?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?