Mind Teasers : 7 - 7 = ?? Maths Problem

Difficulty Popularity

If
2 - 2 = 00
3 - 3 = 03
4 - 4 = 08
5 - 5 = 15
6 - 6 = 24

Then,
7 - 7 = ??

category : MATHS | EQUATION

Suggestions

Mind Teasers : Photo Riddle Brain Teaser

Difficulty Popularity

In the given picture, there is a fly in the wine glass depicted by the sticks. You have to remove the fly from the glass. You can move only two sticks. Also, you can’t touch the fly

category : LOGIC | PICTURE

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?
category : LOGIC

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?

Mind Teasers : Popular Dice Probability Riddle

Difficulty Popularity

You roll two six sided dices together.

Can you calculate the probability that the first dice gives the number 2 while the second dice gives the number 5?

Mind Teasers : Hard Logic Puzzle

Difficulty Popularity

A great meeting is held by a great logician where all the other logicians are called upon. The master logician takes them in a room and makes them sit in circle. A hat is placed on each of their heads. Now all of them can see the color of hats others are wearing but can’t see his own. They are told that there different colors of hats.

The master logician explains that a bell will be rung at regular intervals and the moment when a logician knows the color of his hat, he will leave on the next bell. If anyone leaves at the wrong bell, he will be disqualified and sent home.

All of them are assured of one thing that the puzzle will not be impossible for anyone of them. How will they manage the situation?
category : LOGIC

Mind Teasers : Police Investigating Murder Riddle

Difficulty Popularity

A couple went to river rafting on a hill station. Two days after their departure, the husband returned alone. He informed the police that her wife was swept away by the waves and died.

On the next day, police arrived to his doorstep and when he opened the door, they arrested him for murdering his wife. They told him that his travel agent had called them.

He was shocked. How did the travel agent know about the murder? Can you suggest how did he know ?

Mind Teasers : No Death Penalty For Kill Riddle

Difficulty Popularity

Ramsay was killed by Sansa in front of everyone but the judge was not sure how to punish Sansa. Why is the judge confused?
category : TRIVIA

Mind Teasers : Popular Tricky Picture Death Riddle

Difficulty Popularity

AS you can see the picture, all you have to do is analyze it and tell who all from the pictured people will die if the person at E pushes the round object to the slide on the slope. Keep in mind all the physics and the terrain while you analyze the things.

Mind Teasers : Missing Year Number Series

Difficulty Popularity

Find the missing year in the series below?

1997 1999 ? 2011 2017 2027
category : SERIES | MATHS

Mind Teasers : Indian Jones And The Cellular jail (Kala Pani) Treasure Riddle

Difficulty Popularity

Indian jones went to Andaman(India) for the holiday where he came to know that there is a big treasure hidden here. The Map of the treasure is hidden somewhere in the cellular jail.
The Map location is hidden in the cipher below.

"roolF mooR gnignaH ehT edisnI neddiH sI paM erusaerT"

What is the map location?


category : LOGIC | CIPHER

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