Which number should replace the question mark?
A bomb goes off. Carnage. One person, only a few feet away, survives! How can this be?
Can you find the key in the picture below?
Take 9 from 6, 10 from 9, 50 from 40, and leave 6. How Come ??
You see a boat filled with people, yet there isn’t a single person on board. How is that possible?
Which is faster, Heat or Cold ? Explain.
Look at the picture and find out which square is not linked with any of the other squares.
Why Aeroplane windows are round?
John is a strange liar. He lies on six days of the week, but on the seventh day, he always tells the truth. He made the following statements on three successive days: Day 1: "I lie on Monday and Tuesday." Day 2: "Today, it"s Thursday, Saturday, or Sunday." Day 3: "I lie on Wednesday and Friday." On which day does John tell the truth?
The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total. How much time will he take to have all the five tablets?
What shoe company does this rebus represent?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
