The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Can you find out the remainder when 3^300 is divided by 5?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Solve the mathematical equation in the picture below.

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

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?

What can you catch but never throw?

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?