• Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Logic Picture Problem

Difficulty Popularity

As you can notice in the picture that ten coins have been arranged to form a triangle pointing upwards. What you have to do is move three coins and make that triangle point downwards. Can you do it in just 3 moves?

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

Mind Teasers : Perfect Number Maths Question

Difficulty Popularity

A perfect number is defined as a positive number(integer) which is equal to the sum of its positive divisors excluding the number itself.

two examples are mentioned below as :
6 => 1+2+3
12=> 1+2+3+6


Can you find another perfect number which consist of <= 2digits.

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

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 : 50k+
  • Sol Viewed : 20k+

Mind Teasers : Tricky Logic Brain Teaser

Difficulty Popularity

Alan is an honest person who never speaks a lie. He thinks of a number among 1, 2 and 3. Now, you can ask him only one question and that too for which the answer that you will receive will be in the form of yes, no or don't know. But he will reply only truth fully.

What will you ask from his so that you can know the number he is thinking of?

  • 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?

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

Mind Teasers : Frequent Maths Digit Brain Teaser

Difficulty Popularity

Can you identify the most common digit between the number 1 and 1000?

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

Mind Teasers : Trick Statement Puzzle

Difficulty Popularity

Can you find out if the following statement is true?

It does not matter how much older the sibling is, their younger one will eventually be half as old as the elder one.

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

Mind Teasers : Riddle For Smart People

Difficulty Popularity

A teacher is told that the principal of the school will be inspecting his class on the next day. Now, the teacher is worried for the impression that his class might cast on the principal since all the students are not intelligent. Also, the principal can ask questions from anywhere. However, he will have the power to choose any student for answering the question.

Now he wants that the principal must be impressed with the performance of his class. What will he do to maximize the final impression on the principal ?

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

Mind Teasers : Smartest Phone Brain Teaser

Difficulty Popularity

Armed robbers invaded a bank. They were busy looting when suddenly a phone rang. The phone happened to be at the reception. One of the robber asked the receptionist to attend the call and talk without giving away the situation. The call happen to be from her mother. She spoke, 'Do you have any emergency mom? Can you give me a call when I get home, I could really use your help in buying new curtains?' Then she hangs up.

The robbers are busy when the police arrives suddenly along with the mother of the receptionist. How did she know about the robbery?

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

Mind Teasers : Classic Card Brain Teaser

Difficulty Popularity

A pack of cards has 52 cards. You are blindfolded. Out of 52, 42 cards are facing down while 10 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face up cards. Remember, you are blindfolded.

How will you do it?

  • Views : 90k+
  • Sol Viewed : 30k+

Mind Teasers : Birbal Brain Teaser

Difficulty Popularity

Birbal is a witty trader who trade of a mystical fruit grown far in north. He travels from one place to another with three sacks which can hold 30 fruits each. None of the sack can hold more than 30 fruits. On his way, he has to pass through thirty check points and at each check point, he has to give one fruit for each sack to the authorities.

How many mystical fruits remain after he goes through all the thirty check points?

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