Keyboard words are not in alphabetical order, Why?

What is the difference between a jeweller and a jailer?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

What does this mean?

CCCCCCC

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Which is faster, Heat or Cold ? Explain.

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

Why Aeroplane windows are round?