Count the number of times the letter "F" appears in the following paragraph: FAY FRIED FIFTY POUNDS OF SALTED FISH AND THREE POUNDS OF DRY FENNEL FOR DINNER FOR FORTY MEMBERS OF HER FATHER'S FAMILY.
If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten. How is this possible?
Can you spot what's wrong with the following sentence? PETER WAS ANGRY AT HIMSELF BECAUSE HE ACCIDENTALLY LEFT THE THE KEYS TO HIS CAR AT HIS FRIEND'S HOUSE.
1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?
When I asked a girl's name she told me her name is the date '07/09/2001'. I thought for a few seconds and then I got her name. Do you?
I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?
The day after tomorrow will be three days before Tuesday. Can you find out what is today?
A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?
Can you count the number of blocks in the picture below?
My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?
Can you Find and name the hidden bird in the picture below ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.