If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?
A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?
If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?
If, 9 * 8 * 7 = 65 8 * 7 * 6 = 50 7 * 6 * 5 = 37 Find 6 * 5 * 4 = ?
Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3. (You can use one number only once)
When you say goodbye, I am what you need to tie. I come as a couple and go wherever you run. Who am I?
Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!
What does an Island and the letter T have in common?
Find the missing number in the sequence below:
What jumps when it walks and sits when it stands?
how come the second man dies?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
