By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?
What is the fastest way to double your money?
Spot 5 differences in two Christmas tree below:
A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?
Which English verb becomes past tense just by rearranging the letters?
Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?
Can you replace the question mark with the correct number in the below table sequence?
If, A + B = C D - C = A E - B = C Based on the above equations, find out the answer for: D + F = ?
Can you decipher these quotes by Albert Einstein? Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.
Can you discover the missing number in this series? 37, 10, 82 29, 11, 47 96, 15, 87 42, ?, 15
My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
