What word is pronounced the same if you take away four of its five letters?
I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
When we see 2 but call 10?
Can you find the next number in the below sequence 3 , 7 , 10 , 11 , 12 , 17 ?
John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?" While Bella does not know the answer, do you ?
Which letter of the alphabet has the most water?
Can you convert the number zero(0) into a positive number using just one mathematical operator ?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
There are five vowels (a, e, i, o, u) in the English language. Can you tell us a word that contains all these vowels?
Can you find the missing letter in the sequence? S - T - I - L - ? - T - F - Y - C
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
