How many triangles are there on the puzzle below?
I have eight fingers and two thumbs but I do not live. What Am I?
You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.
John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday. Can you find out on what day was Jacob born?
What number divided by 4 is the same as that number minus 4?
What happened when the wheel was invented?
How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?
What seven-letter word has hundreds of letters in it?
What is always in front of you but can’t be seen?
Count the number of balls in picture below:
What has a bottom at the top?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
