You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Our product and our sum always give the same answer. Who are we?

A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

What jumps when it walks and sits when it stands?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What does this mathematical rebus means ?