What is full of holes but still holds water?
Manish has to secure 40% marks to pass his B.tech final exams. He got just 40 marks and failed by 40-marks. What is the maximum marks?
There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes
I came first on earth but second on the heaven. I also came twice in a week but found just once in a year. I stay away from months but you can find me in February. What am I?
What does this mathematical rebus means ?
Find the next number in the series? 2, 12, 36, 80, 150, 252, 392, _ ?
Eight of us go fourth, not back, to protect our king from an attack. What are we?
Can you find out the next digit in the following series ? 0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?
Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?
Which tank will fill first?
What has to be broken before you can use it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.