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1 2 Parodoxical Statements from Life Nobody goes to that restaurant; it’s too crowded. Don’t go near the water ’til you have learned how to swim. The man who wrote such a stupid sentence can not write at all. If you get this messa ... paradox Submitted by Ravi	Doable 5.2
2 4 The Neighbourhood People say Einstein suggested that 98% of the world’s population couldn’t figure out the answer to this puzzle. It is not for the faint of heart: There are 5 houses each with a different color. Th ... logic reasoning deduction Submitted by Aakash	Hard 8.0
2 1 Clock Works - Google Interview Question How many degrees are there in the angle between the hour and minute hands of a clock when the time is a quarter past three? interview brain teaser google Submitted by Valentin	Doable 4.4
3 1 Salary Three coworkers would like to know their average salary. how can they do it, without disclosing their own salaries. Submitted by Aakash	Doable 6.0
3 Microsoft Interview Question - Count it Out This problem is more targeted towards people with Computer Science or similar backgrounds, it is a REAL question from an interview with Microsoft. You have an array of 99 unique numbers from 0-100. ... Submitted by Aakash	Doable 5.0
1 4 Good luck at an interview with Google I just came across these Google interview questions… impossible: How many golf balls can fit in a school bus? How much should you charge to wash all the windows in Seattle? How many piano tuners are ... google open-ended Submitted by Valentin	Hard 8.0
4 Choose the Next Letter Choose the next letter in the sequence: O T T F F S S ? logic patterns sequences Submitted by Ravi	Doable 3.3
2 3 Men and a Hotel Room Three men decided to split the cost of a hotel room. The hotel manager gave them a price of $30. The men split the bill evenly, each paying $10, and retired to their room. However, the manager real ... Submitted by Valentin	Doable 5.2
2 Farmer's Market You’re a farmer. You’re going to a market to buy some animals. On the market there are 3 types of animals for sale. You can buy: Horses for £10 each, goats for £1 each and ducks, you get 8 of these ... Submitted by Aakash	Doable 4.0
3 Clever Commuter Every day, Fred takes the train to travel from his work back to Alkmaar, his place of residence. Usually, he arrives at the station of Alkmaar at six o’clock, and exactly at that moment he is picked ... Submitted by Valentin	Doable 6.0
2 Left Hands Only Assume there are approximately 6,000,000,000 (6 billion) people on Earth. What would you estimate to be the result if you multiply together the number of fingers on every person’s left-hands? For t ... Submitted by Aakash	Hard 7.0
1 Lockers A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony: There are one thousand lockers and one thousand students in the school. The princip ... Submitted by Aakash	Hard 7.6
1 Cooking Time A cook must put a souffle exactly 9 minutes at the oven, but he only have a 7 minutes hourglass and a 4 minutes hourglass. How can he measure 9 minutes with those clocks? logic Submitted by Ravi	Doable 6.0
5 Simple 24 Why is that if p is a prime number bigger than 3, then p^2-1 is always divisible by 24 with no remainder? Submitted by Aakash	Doable 6.0
2 Don't Eat Me! Would you rather a crocodile attack you or an alligator? Submitted by Aakash	Doable 6.0