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Mind Teasers : Maths Number Trick Puzzle

Difficulty Popularity

I remember during the school days , the teacher asked the class "can you tell me the sum of the first 50 odd numbers ?".
I ran quickly to the teacher and told her "the answer is 2500". The teacher replied "lucky guess".
She then asked me "can you tell me the sum of first 75 odd numbers ?".
I wait for approx 10 seconds and replied with the correct answer.

How can i answer so quickly and whats the correct answer ?

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By Admin
  • Views : 60k+
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Mind Teasers : Hardest Chess Problem

Difficulty Popularity

This is a classic chess puzzle and considered to be one of the hardest puzzles in history.
As shown in the picture below, White army is arranged in a classic chess board. You need to add black army i.e
1 king
1 queen
2 rooks
2 bishops
2 knights
8 pawns
in such a way that not a single piece of either color is under attack.

  • Views : 50k+
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Mind Teasers : Logical Arrangement Bonfire Puzzle

Difficulty Popularity

30 classmates went for a bonfire. While sitting around the fire, they decided to play a game. To play it, they divided themselves into 5 teams in a way that there were 5 rows having 7 people each.

How can this arrangement be possible while sitting around the bonfire?

  • Views : 70k+
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Mind Teasers : Tricky Math Race Riddle

Difficulty Popularity

Rooney, Hernandez, and Robin race each other in a 100 meters race. All of them run at a constant speed throughout the race.

Rooney beats Hernandez by 20 meters.
Hernandez beats Robin by 20 meters.

How many meters does Rooney beat Robin by ?

  • Views : 80k+
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Mind Teasers : Best Maths Brain Teaser

Difficulty Popularity

A competitive exam was held in which five students took part namely Billy, Gerry, Clark, Peeta and Jonathan. In this exam, they had to answer five questions each out of which, three had multiple choices as a, b or c and two were simple true and false questions. The five of them gave different answers to the questions and the details are as given below.

Name 1 2 3 4 5

Gerry c b True True False

Billy c c True True True

Clark a c False True True

Peeta b a True True False

Jonathan a b True False True

None of the two students gave the same number of correct answers. Can you find out the correct answers to the question? Also, calculate the individual score of all the five guys.

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

Mind Teasers : Classic Barber Brain Teaser

Difficulty Popularity

There are two barber shop in a small town – one located in the eastern market and the other on the northern market. The shop in the eastern market is quite untidy and the barber has a shabby haircut. While the shop in the northern market is quite neat and clean and the barber is sporting an excellent haircut himself.

Which of the two shops will any foreign visitor opt for?

  • Views : 60k+
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Mind Teasers : Tricky Mathematician Problem

Difficulty Popularity

A mathematician was challenged to write nineteen in a manner that if one was taken out of it, it became twenty. He failed to do it.

Can you help him?

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Mind Teasers : Famous Lion Tamer Interesting Puzzle

Difficulty Popularity

You are trapped with a lion in a cage with 1 unit as its radius. Both you and the lion can run effortlessly at the speed of one unit.

1) The lion is quite hungry and all he wants is to catch you and eat you up. Will he be able to do that?
2) If yes, how long do you have till he does that?

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

Mind Teasers : CheckMate All Kings Chess Puzzle

Difficulty Popularity

Can you checkmate all the kings in less than 10 moves?

Following are the rules:
1. White can make up to 10 legitimate moves until all kings are checkmate.
2. You can take any black piece(s) except the King.
3. Your king cannot be in check position at any time of the game.




By Admin
  • Views : 60k+
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Mind Teasers : Crack the code Riddle

Difficulty Popularity

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
-> Sum of 5th number and 3rd number is 14.
-> Difference of 4th and 2nd number is 1.
-> The 1st number is one less than twice the 2nd number.
->The 2nd number and the 3rd number equals 10.
->The sum of all digits is 30.

Crack the code ?

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

Mind Teasers : what will come in place of the question mark

Difficulty Popularity

1 3 5
2 4 ?

Do you know what will come in place of ?

We must tell you that its not 6.

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