If it took eight men ten hours to build a wall, how long would it take four men to build it?
Can you find out which options fits best with the missing column?
1. What does: TIM JOB represent? 2. What does: MO_ _ represent?
Which Number is the odd one out? A) 7145 B) 2716 C) 5321 D) 4135
I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
Identify the 10 differences between the two given pictures.
There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only. Can you find that number?
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game. Would you want to play first or second? PS: The sum should be exactly 15.
What is the fastest way to double your money?
First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.