How many words can a pen with half refill write?

What is full of holes but still holds water?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

What work can one never finish?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

It is always ahead of me yet I can never see it. What is it?

You need to arrange three 7 and mathematical symbols to form number 1?

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?

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