• Views : 30k+
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Mind Teasers : Chances of Having Same Birthday Problem

Difficulty Popularity

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

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By Admin
  • Views : 80k+
  • Sol Viewed : 20k+

Mind Teasers : Spatial Trivia Physics Puzzle

Difficulty Popularity

As shown in picture, there are four gears with the following specification
* Gear A has 60 teeth
* Gear B has 40 teeth
* Gear C has 20 teeth
* Gear D has 60 teeth
* Every minute, Gear B makes 15 complete turns.

What is the relative speed of Gear A and Gear B?

  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Crossing The River In Minimum Time Puzzle

Difficulty Popularity

Four people need to cross a dark river at night.

* They have only one torch and the river is too risky to cross without the torch.
* If all people cross simultaneously then torch light wont be sufficient.
* Speed of each person of crossing the river is different.cross time for each person is 1 min, 2 minutes, 7 minutes and 10 minutes.

What is the shortest time needed for all four of them to cross the river ?

  • Views : 60k+
  • Sol Viewed : 20k+

Mind Teasers : Trick Interesting Maths puzzle

Difficulty Popularity

There are three cars in a racing track. The track is made forming a perfect circle and is quite wide so that at one time, multiple cars can pass through it. The car which is leading is driving at 55 MPH and the slowest car is driving at 45 MPH. The car that is in middle of these two is driving in between the two speeds. For the time being you can say that the distance between the fastest car and the middle car is x miles and it is same between the middle car and the slowest car. Also, x is not equal to 0 or 1.

The car keeps running till the leading car catches up with the slowest car and then every car stops. Given the case, do you think that at any point, the distance between any two pairs will again become x miles?

  • Views : 40k+
  • Sol Viewed : 10k+

Mind Teasers : Simple Logic Shape Riddle

Difficulty Popularity

Can you place ten balls in five lines in a manner that each line has exactly four balls in it ?

  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Three Errors In Sentence Problem

Difficulty Popularity

Can you fynd three errors in that puzzle?

By Admin
  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : 2 Golfer Sports Puzzle

Difficulty Popularity

Tiger Woods and Phil Mickelson are well-known golf rivals. One Day during a match, they were level at a score of 30. Phil hit a bad shot and Tiger added 10 to his score. Tiger then hit an awesome shot and he won the game.

How ?

By Admin
  • Views : 50k+
  • Sol Viewed : 20k+

Mind Teasers : Which Tank Will Fill First Brain Teaser

Difficulty Popularity

Famous tank fill brainteaser is shown in the picture below. Can you tell us which tank will fill first?

By Admin
  • Views : 50k+
  • Sol Viewed : 20k+

Mind Teasers : No Death Penalty For Kill Riddle

Difficulty Popularity

Ramsay was killed by Sansa in front of everyone but the judge was not sure how to punish Sansa. Why is the judge confused?

By Admin
  • Views : 80k+
  • Sol Viewed : 20k+

Mind Teasers : Break Chocolate Bar Logic Puzzle

Difficulty Popularity

You have a rock solid dark chocolate bar of size 2 x 8. You need to break it and get 1 x 1 pieces of that chocolate.

If you can break that bar only along its length or breadth, how many times will you have to break to get the 1 x 1 pieces?

By Admin
  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Sherlock Holmes Anne Cipher Puzzle

Difficulty Popularity

Anne was found dead in the central park of London.
There are six suspects "hazard", "Costa", "Pedro", "Willian", "Terry" and "courtois".

Anne has written the murdered name in cipher on the floor as "dqvxf".

Police were unable to solve the mystery so they called Sherlock.
After a minute, Sherlock was able to decipher the cipher and ask the police to capture the murderer.

Who is the murderer?

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