Prove that twice of ten is the same as twice of eleven.
There is a place where if I stand up straight, I will still be considered sideways.
What has hands, but can’t clap?
The more it dries, the wetter it becomes. Can you tell what it is?
What is the word or phrase?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
Can you make a six-letter word using the letters N, A and B ?
Decode below three cipher riddles: 26 L of the A 7 D of the W 1000 Y in a M
In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?
What can go through glass without breaking it?
Find the next number in the series. 1 10 24 43 67 ?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
