What breaks yet never falls, and what falls yet never breaks?

How many words can a pen with half refill write?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

Bay of Bengal is in which state?

Identify the hidden meaning behind this picture?

You need to remove two matchsticks to make the below equation true. Can you do it ?