Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?
Can anyone tell me a word in the English dictionary which has a silent 'z'?
What is the fastest way to double your money?
How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
Identify The phrase in the picture.
What do you call a fish without an eye?
Why do Chinese men eat more rice than Japanese men do ?
How much will a 38° angle measure when looked at under a microscope that magnifies ten times?
What number should come in place of the question mark below?
There is a five-letter word which has 3 consonants(all are same) and 2 different vowels. Also, something wrong is associated with the word. Can you name it?
'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?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.