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?

What has 88 keys?

What is full of holes but still holds water?

I have teeth but i don't bite. Who Am I ?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Replace the question mark with the correct number in below Picture:

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?