A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?
There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?
What question can you never answer yes to?
Why is the Hole below a Lock?
Can you move 2 matchsticks to form four equal sized squares.
Next Number in the Series, 5, 16, 49, 104, ?
What does the below rebus riddle means?
Identify the hidden meaning behind this picture?
You have two rectangular wires. Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn. However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes). So how could you measure 45 minutes ?
A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different. Can you guess what the question was?
By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
