Can you replace the question mark with the correct number?
If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?
Can you solve this picture maths equation?
It is always ahead of me yet I can never see it. What is it?
The product of three consecutive numbers is 7980. Then the sum of these consecutive numbers would be?
Can you find out the remainder when 3^300 is divided by 5?
Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?
What does the rebus below mean? TEN BADTION
There are five vowels (a, e, i, o, u) in the English language. Can you tell us a word that contains all these vowels?
What goes up but never comes down?
I have a hole in my back and legs I lack. I live where I can’t breathe and I eat without teeth. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
