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

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

Prove that twice of ten is the same as twice of eleven.

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Identify the 10 differences between the two given pictures.

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.