Mind Teasers : Find Owner Lose Money Puzzle

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Bill Mason walks into an antique store and steals 1000$ bill from the store. 30 Minutes later, Mason returns back to the antique store and buy an antique watch priced at $700. Mason pay with the bill he has stolen and the owner returns him $300.

How much money did the owner lose?

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category : LOGIC

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Mind Teasers : Terrorist Plane Hijack Puzzle

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A terrorist hijacks a plane with 10 passengers and there is a lot of gold in the plane.
After taking all the gold, the terrorist asked the government officials for 11 parachutes.
He killed all the passenger so that no one can identify him , take one parachute and jumps off.

Was he stupid to ask for 11 parachutes if he need only one ?

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category : LOGIC | MYSTERY | SITUATION

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 ?

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category : LOGIC | TRICK

Mind Teasers : Simple Matchstick Riddle

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You can see that four match sticks have been joined in the given figure to form one square.

Can you form five squares using six matchsticks ?

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category : LOGIC | PICTURE | SQAURE COUNTING | MATCHSTICKS

Mind Teasers : Wild West Cowboy Riddle

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In the Wild West, you challenge two cowboys - Hunter Jack and Sharp Shooter Leo into a death match. They being better shooter than you readily accept your challenge. But they don't want to waste bullets and thus lay down a certain rules that are accepted by you as well. Here are the rules:

1) Everyone shoot in a given order till only one is left.
2) Everyone shoot only once when his turn arrive.
3) If any one of you is injured, the other two will finish him off together.
4) The worst shooter gets to shoot first (which is you) and the best one shoots at the last.

Now, what tactics will you use if you know that you hit every third shot of yours, Jack hits every second shot and Leo hits every shot?

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category : LOGIC | TRICK | RIDDLE

Mind Teasers : Awesome Probability Logic Riddle

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You need to divide 50 marbles(25-red and 25-blue) into two boxes such that the probability of picking red marble is maximized.

Following conditions need to hold true :
1. None of box is empty
2. All the marbles must be in one of two boxes.

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category : LOGIC

Mind Teasers : Clock Puzzle

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The needles of a clock overlaps at 12:00 in a 12 hour format clock.

When will the two needles overlap again ?

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category : LOGIC | RIDDLE

Mind Teasers : Measure Water Supply Brain Teaser

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You had an infinite supply of water and a 5 ml and 3 ml gallons.

How would you measure exactly 4 ml in least number of steps ?

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category : LOGIC | MEASURE

Mind Teasers : Murder Mystery Brain Teaser

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A homicide detective is called upon a crime scene. He finds that a body is lying on the ground in front of a multistory building. By all the means, it looks like a simple suicide case. But there are doubts in his mind.

He goes to the first floor and moves into the room facing the direction of the body. He opens the window in that direction and looks down towards his team. The he goes to the second floor and again moves into the room facing that direction, opens the window and looks down at his team.

He continues with the same process till the top floor. After that, he returns back to where his team is standing. He tells them that it is a suicide.

How did he come to such a conclusion?