How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Which is faster, Heat or Cold ? Explain.

Replace the question mark in the picture below.

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

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?

Take away the whole and some still remain. What is it?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Can you solve below mathematical equation?

2^1234 - 2^1233