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?

The more it dries, the wetter it becomes. Can you tell what it is?

What does this rebus picture identify?

I am the fastest animal but cannot climb the tree. What am I?

Take away the whole and some still remain. What is it?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

What is next number in the pattern below:

131 517 192 123 ?

How many bananas can you eat if your stomach is empty?