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?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

I look at you, you look at me, I raise my right, you raise your left. What am I?

The answer I give is yes, but what I mean is no. What was the question?

Find the number of squares in the below-given picture.

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

No matter how little or how much you use me, you change me every month. What am I?

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

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

I travel all around the world but always stay in the corner. What am I?