• Views : 60k+
  • Sol Viewed : 20k+

Mind Teasers : How Many Triangles Do You See In This Image

Difficulty Popularity

Can you figure out how many triangles are present in the given figure ?

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

Mind Teasers : MatchStick Squares Count Puzzle

Difficulty Popularity

Can you count the number of squares in this matchstick puzzle below?

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

Mind Teasers : Classy Age Riddle

Difficulty Popularity

Dean Sam and Castiel are three brothers.
Interestingly their current age is prime.
What's more interesting that difference between their ages is also prime.

How old are they ?

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

Mind Teasers : Hard Logic Statement Riddle

Difficulty Popularity

There are a hundred statements.
1st person says: At least one of the statements is incorrect.
2nd person says: At least two of the statements is incorrect.
3rd person says: At least three of the statements are incorrect.
4th person says: At least four of the statements are incorrect.
..
..
..
100th person says: At least a hundred of the statements are incorrect.

Now analyze all the statements and find out how many of them are incorrect and how many are true?

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

Mind Teasers : Weight Balance Riddle

Difficulty Popularity

You can place weights on both side of weighing balance and you need to measure all weights between 1 and 1000. For example if you have weights 1 and 3,now you can measure 1,3 and 4 like earlier case, and also you can measure 2,by placing 3 on one side and 1 on the side which contain the substance to be weighed. So question again is how many minimum weights and of what denominations you need to measure all weights from 1kg to 1000kg.

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

Mind Teasers : Suicide Mystery Riddle

Difficulty Popularity

A man 5'11" high is found dead in an closed room.
This room is found empty with some puddle of water.

The man was died by hanging himself to a 12 feet high fan.
How did the man die ?

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

Mind Teasers : Induction Brain Teasers

Difficulty Popularity

Three college toppers are summoned by the inspecting faculty. To identify the best from them, the faculty takes them into a room and places one hat on each of their heads. Now all of them can see the hats on other’s heads but can’t see his own. There are two colored hats – green and red.

Now the faculty announces that he had made sure that the competition is extremely fair to all three of them. He also gives them a hint that at least one of them is wearing a red hat. Now the first one who is able to deduce his own hat color will be awarded the most intelligent student of all award. After a few minutes, one of them raises his hand and is able to deduce the color correctly.

How?

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

Mind Teasers : Trick Missing Pound Riddle

Difficulty Popularity

I am a book lover and i saw a book for Pound 97.
I am short of money , so i borrowed Pound 50 from my sister and 50 from my brother = Pound 100.
I bought the book, and had Pound 3 change. I gave brother Pound 1 and my sister Pound 1 and kept the other Pound 1 for myself. Now I owe my mum Pound 49 and my brother Pound 49. 49+49 = 98 + my Pound 1 = 99.

Where is the missing Pound ?

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

Mind Teasers : Toughest Number Series Question

Difficulty Popularity

Solve the number series by identifying the last number.

1 4 5 6 7 9 11 ?

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

Mind Teasers : May The Fastest Car Win

Difficulty Popularity

John is out with his class of 25 boys to a local park. Each guy has a remote controlled car with them. The park has a racetrack that allows 5 cars to be raced at once. Their teacher, Mr. Ted, declares that the top three fastest cars get ice cream.

How many races are required to determine the 3 fastest cars?

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

Mind Teasers : Quick Thinking Maths Problem

Difficulty Popularity

A petri dish kept in a lab has a colony of healthy bacteria. Every bacterium divides itself into two in exactly two minutes. Now the colony started with a single cell at 2 pm. If the petri dish was exactly half full of bacteria at 3 pm, when will the dish become full of bacteria?

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