I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

What is the next number in this series?

4,12,84,3612....

Can you find out the remainder when 3^300 is divided by 5?

Can you Find and name the hidden bird in the picture below ?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Who has married many women but was never married?

One night, Louis and Adam were sitting together. Adam was watching a movie while his wife Louis was reading a mystery book. Suddenly the power went out and Adam decided to go to bed, but strangely Louis kept on reading. There was no artificial light around, so Louis kept on reading. How come?

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

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?