• Views : 40k+
  • Sol Viewed : 10k+

Mind Teasers : CID Murder Mystery Problem

Difficulty Popularity

An old man ankit lives alone in a flat. Because of his age , he is not able to move comfortably and hence most of the things used to be delivered to his house.

On Friday while delivering the mail , postman feels something suspicious in the flat and try to look inside through the key hole and he saw a blood filled body of the old man.

CID arrived the scene.
On the outside of flat , he found two bottles of warm milk , Tuesday newspaper, some unopened mails , some gifts.

CID waste no time to find the murderer.

Who was the murderer ?

Discussion
Suggestions
  • 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 : 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.

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

Mind Teasers : Probability To Choose Own Toy Brain Teaser

Difficulty Popularity

I bought three toys for my triplet boys (one for each). I placed the toys in the dark store. One by one each boy went to the store and pick the toy. What is the probability that no boy will choose his own toy?

  • 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?

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?

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

Mind Teasers : Three Magic Numbers Puzzle

Difficulty Popularity

Find three magic number such that ?

* Product of three numbers is prime.
* 2nd number - 1st number = 3rd number - 2nd number

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

Mind Teasers : Maths Magic - Square Root 12345678987654321 Brain Teaseer

Difficulty Popularity

We all know that square root of number 121 is 11.
But do you know what si the square root of the number "12345678987654321" ?

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

Mind Teasers : Palindrome Number Riddle

Difficulty Popularity

There can be myriad ways to create a palindrome. One day, I thought of making my own palindrome. I thought of a number and then decided to add the reversed number to it. Sadly, I did not get a palindrome.

So I kept repeating this step and eventually I succeeded in creating a palindrome. I don't know if you can always create a palindrome using this method but I was able to generate one of four digits.

Can you tell me the number at which I started?

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

Mind Teasers : Tricky Probabilty Problem To Solve

Difficulty Popularity

Aishwarya was first to board to her flight to delhi.
She forgot her seat number and picks a random seat for herself.
After this, every single person who get to the flight sits on his seat if its available else chooses any available seat at random.
Abhishek is last to enter the flight and at that moment 99/100 seats were occupied.

Whats the probability what Abhishek gets to sit in his own seat ?

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

Mind Teasers : Truth Or Lie Brain Teaser

Difficulty Popularity

Zoe and Joe are twin brothers. One of them is a falsifier however the other one always speaks truth. I asked one of the, “Does Zoe lie?” The person replied with a yes.

Whom did I talk with? Zoe or Joe?

Submit your Email Address to get latest post directly to your inbox.

Latest Puzzles

10 December
Girl Situation Riddle

A Girl leaves home and then take three r...

09 December
Christmas & New Year Brain Teaser

We know that there is exactly a one-week...

08 December
True Or False Riddle

All Lily are flowers. Some flowers are u...

07 December
Famous 99 Higher Than 100 Riddle

When 99 is considered higher than 100?...

06 December
Lol Stupidest Riddle

How many words can a quill made with the...

05 December
Running Rabbit Riddle

Can you define up to which point the fas...

04 December
Christmas Riddle

You are blessed with five children. For ...

Puzzles Tags :

Illusions Tags :