How many triangles can you find in this given picture?
Take number 1000 and then add 20 to it. Now add 1000 one more time. Now add 30. Now add 1000 one more time. Now add 40. Now add 1000 one more time. Now add 10. What is the total?
Can you find the missing number in the third row? 35 20 14 27 12 18 5 2 ?
Why do you find that most of the buildings are deprived of the 13th floor?
By using 'because' continuously three times, can you make an English statement ?
why number 8549176320 is one of a kind?
A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log. Can you calculate the weight of the entire wooden log?
What can jump higher than a building?
Can you write down eight eights so that they add up to one thousand?
John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?
If you say my name, I will no longer exist. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
