A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

I’m tall when I’m young, and I’m short when I’m old. What am I?

When is the top of a mountain similar to a savings account?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?