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?
Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
Can you find a pattern and the missing number in the series given below? 100, 155, 258,? , 584, 819.
You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket? (Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)
Can you find the odd number in the following five choices? 1) 482636 2) 259807 3) 865195 4) 104739 5) 391744
Count the number of lines in the image below ?
What can you hold in your right hand, but never in your left hand?
A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son. How much did the widow receive?
You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?
Find the last number in the series below: voN luJ yaM raM ---
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
