Before Mount Everest was discovered, what was the highest mountain in the world?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

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

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

In the image given, you can find several triangles. Can you count them all?

Replace the question mark with the number below given a simple math problem.

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?