What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?
A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph. Which of the trains will be farther from point A when they meet ?
A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child. Where's the father?
What kind of tree can you carry in your hand?
What do you think with the below Picture ?
Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?
Every words stands for unique digit that makes the arithmetic equation true SEVEN + SEVEN + SIX = TWENTY. What are the digits ?
Prove that the below maths equation is true. 8 + 8 = 91
A network of 20 x 10 squares is given to you. Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?
What does below chemistry rebus means?
What common phrase is represented by the below lines Easy going: Weak, 'I'm going.' Tough, 'I'm staying.' Medium going: Weak, 'I'm going.' Tough, 'I'm staying.' Tough going: Weak, 'I can't do it, I'm staying!' Tough, 'Let's get going.'
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
