Can you arrange four 9's and use at most 2 math symbols, to make the total 100?
You knock a Table over in the library, and suddenly 20 eyes are looking at you.
A father's child, a mother's child, yet no one's son. Who am I?
'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?
I add 5 to 9 and get 2. The answer is correct, so what am I?
I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?
What does an Island and the letter T have in common?
I am the fastest animal but cannot climb the tree. What am I?
There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?
What is the largest number you can write with just 3 digits?
Can you find the odd number in the following? 2716, 4135, 5321 and 7145
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.