What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

I have teeth but i don't bite. Who Am I ?

What begins with T, ends with T, and has T in it?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

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

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.