The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills. How long do you think you have before you run out of pills?
What's the only room from which no one can enter or leave
In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date. Can you find out the numbers on both the cubes so that each date can be mentioned using them? Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.
Can you find the missing letter in the sequence? S - T - I - L - ? - T - F - Y - C
Manish and Manoj play 5 games of chess. Both Manish and Manoj win the exact same number of games. There is no tie at all. How?
Solve the rebus below.
Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.
Which is the correct shadow of the bird?
How can one talk without saying a single word?
How can you drop a raw egg from a height onto a concrete floor without cracking it?
I cry without having a voice. I fly without having wings. I bite without having teeth. I whisper without a mouth. Who am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.