Mind Teasers : Hard Logic Brain Teaser Question

Difficulty Popularity

There is an island where people are not allowed to communicate with each other. There are total 200 people out of which, 100 have green eyes while 100 have black eyes. But no one knows their own eyes color as there is no mirror available on the island. Also, they are not aware of how many people with n colored eyes are there. They don't even know that there are only two color set of eyes. But they can observe and analyze other people's eyes.

There is a catch to the things. It is a rule that if anybody is able to deduce the color of his own eyes and he is right, he will be free and can leave the island.

On a certain day, an outsider visits the island and tells the people that he has seen someone with green eyes. What will happen now?
category : LOGIC

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Mind Teasers : How Many Seconds In A Year Riddle

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

Mind Teasers : Tough Number Problem Riddle

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Find smallest number that you can write using all the vowels(A,E,O,I,U) exactly once?
category : LOGIC | MATHS

Mind Teasers : IAS Logical Question

Difficulty Popularity

An old man in the village feels that his end is near. He calls his two sons to discuss about the land he owns and other properties. He tells them to have a race on their horses till the city border. The one with the slower horse will be rewarded with the entire property.

Both of them keep wandering here or there without any result as no one is filling to reach the border. Then they visit the wise man of the village and seek his advice. The wise men tells them something listening to which they jump on the horses and race as fast as they can till the city border.

What did the wise man tell them?
category : LOGIC

Mind Teasers : Smart Trick Teaser

Difficulty Popularity

Five girls were seen struggling while trying to get under the same small umbrella and yet, all five of them managed to remain dry completely?

How can it be true?
category : LOGIC | TRICK

Mind Teasers : Homicide Detective Puzzle

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A homicide detective is called at a crime scene. A man is lying dead in front of the building and seeking the position of the windows on the building and the position in which the body is lying, it is evident that the man jumped out from one of them and committed suicide.

The detective asks his team to collect the traces if they can find any on the body and heads towards the building. He goes to the first floor and towards the room that is on the front side. Inside the room, he lights a cigarette, walks towards the window facing the dead body, opens the window and throws out the cigarette. He then goes to the second floor and repeats the same process.

He keeps doing the same thing till he is done with all the floors and then takes the lift to the ground floor. Upon reaching there, he informs the team that it is not a suicide but a murder.

While the whole team is shocked to hear the revelation, he lights another cigarette and takes a hard puff.

How do you think he found out that it was a not a suicide?
category : LOGIC | MYSTERY

Mind Teasers : Cricket Teasers

Difficulty Popularity

If in a cricket one day match, there were no wide balls, no wides, no extras and no overthrows.

What is the maximum number of runs that a batsman can score in an ideal case scenario?

Mind Teasers : CheckMate All Kings Chess Puzzle

Difficulty Popularity

Can you checkmate all the kings in less than 10 moves?

Following are the rules:
1. White can make up to 10 legitimate moves until all kings are checkmate.
2. You can take any black piece(s) except the King.
3. Your king cannot be in check position at any time of the game.




category : PICTURE

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 : How Many Chocolates Maths Problem

Difficulty Popularity

A confectionary shop owner allows children to purchase a chocolate in exchange of five wrappers of the same chocolate. Children from the locality consumed 77 chocolates in a month. Now, they all collected them together and decide to buy back chocolates.

How many chocolates do you think they can buy using those 77 wrappers ?
category : LOGIC | MATHS

Mind Teasers : MatchStick Squares Count Puzzle

Difficulty Popularity

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

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