• Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Very Hard Maths Riddle

Difficulty Popularity

Can you find the smallest positive number such that if you shuffle the digits of the number in a particular order, the shuffled number becomes twice the original number.

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

Mind Teasers : Popular Deductive Logic Problem

Difficulty Popularity

Eight Brothers lives in an old house where there is no electricity and no computers or any any other gadget.

Brother-1: Reading Comics
Brother-2: Playing Chess
Brother-3: Writing
Brother-4: making food for the family
Brother-5: sleeping and snoring
Brother-6: cleaning house
Brother-7: watering the plants


what is Brother-8 doing ?

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

Mind Teasers : Deductive Logic Problem

Difficulty Popularity

A professor gives a set of three questions to the most brilliant students of his university. You can see the questions in the attached image if required. To his surprise, there are different answers by all three of them. Below are the answers by them:

Student A
1. Two
2. Six
3. Two

Student B
1. Two
2. Three
3. Infinity

Student C
1. One
2. Three
3. Two

Now you have the information that each one of them has given one answer wrong, can you find out the real answers to every problem?

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

Mind Teasers : One Move Chess Puzzle

Difficulty Popularity

Can you win this chess game in one move.

* You are playing with white and its ur turn

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

Mind Teasers : Math Number Riddle

Difficulty Popularity

A man wanted to get into his work building, but he had forgotten his code. However, he did remember five clues. These are what those clues were:

The fifth number plus the third number equals fourteen.

The fourth number is one more than the second number.

The first number is one less than twice the second number.

The second number plus the third number equals ten.

The sum of all five numbers is 30.

What were the five numbers and in what order?

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

Mind Teasers : How Many Seconds In A Year Riddle

Difficulty Popularity

Without the use of calculation, can you find how many seconds are there in a year ?

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

Mind Teasers : Hard Logic Brain Teaser

Difficulty Popularity

There are 100 doors. 100 strangers have been gathered in the adjacent room. The first one goes and opens every door. The second one goes and shuts down all the even numbered doors – second, fourth, sixth... and so on. The third one goes and reverses the current position of every third door (third, sixth, ninth… and so on.) i.e. if the door is open, he shuts it and if the door is shut, he switches opens it. All the 100 strangers progresses in the similar fashion.

After the last person has done what he wanted, which doors will be left open and which ones will be shut at the end?

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

Mind Teasers : Famous Water Jug Problem

Difficulty Popularity

You live in Dubai and had an infinite supply of oil and a 5 liters and 3 liters jar,
how would you measure exactly 4 liters (of-course in minimum numbers of step) ?

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

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?

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

Mind Teasers : Relation Sorcery Riddle

Difficulty Popularity

The father of a driver's son is sitting with the son of the driver without the driver actually being in the car.

What sorcery is this?

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

Mind Teasers : Famous Probability Puzzle

Difficulty Popularity

This is a famous probability puzzle in which you have to choose the correct answer at random from the four options below.
Can you tell us whats the probability of choosing correct answer in this random manner.

1) 1/4
2) 1/2
3) 1
4) 1/4

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