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.
I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?
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?
What will you call your mother's brother's brother-in-law?
What can you hold in your right hand, but never in your left hand?
What word is identified by the below rebus? Your Your Your Your Your Your Your Your Your Your
Can you count the number of triangles in the picture below?
Replace the question mark with the correct number. 2 + 2= 4 3 + 3= 18 4 + 4= 48 5 + 5= ?
In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set? (2 + 6), (21 + 6), (58 + 6), (119 + 6), ___
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
What kind of tree can you carry in your hand?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.