Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

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

On a windy rainy night , I was driving in my car.
When i reach the bus stand , i see three people waiting for the bus.

1. An old lady who needs an immediate medical attention
2. My Best Friend
3. Girl whom i love from childhood

My car is a two seat, so can you tell me , what i have done in this situation ?

Buy me, smell me or deliver me, I do not change.

Who am I?

How many triangles are there on the puzzle below?

What jumps when it walks and sits when it stands?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

How can one talk without saying a single word?