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Mind Teasers : Gallon Riddle

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You are given four beakers namely – A, B, C and D. Beaker A can take exactly 3 gallons, beaker B can take exactly 4 gallons and Beaker C and D can take exactly 5 gallons each. Now, beaker C and D are filled completely and you are asked to make use of that water and the beakers in a manner that in the end the beakers are filled in the ascending order or the descending order.

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Mind Teasers : Survive The Fire Brain Teaser

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Isaac Newton is stranded on an island covered in forest.

One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Isaac Newton survive the fire? (There are no buckets or any other means to put out the fire)

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Mind Teasers : Three Magic Numbers Puzzle

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Find three magic number such that ?

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

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Mind Teasers : New Answer Riddle

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There is a puzzle which can be asked all day with a different correct answer each time. What is the puzzle ?

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Mind Teasers : Shortest Who Am I

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Who am I?

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Mind Teasers : Nine Coins Picture Puzzle

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Nine coins are arranged in a triangle as shown in the picture below. You need to slide two triangles to form a square. Can you do it?


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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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Mind Teasers : Floating Fish MatchStick Riddle

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As shown in the image below, group of fishes are swimming from left to right. By moving just three matchsticks, can you make fishes from right to left?

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Mind Teasers : Trick Gift Brain Teaser

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Cindy opened twenty five presents.
Duke opened five presents.
John opened fifteen presents.

Judging by the statements, can you decipher how many presents will be opened by Rhea?

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Mind Teasers : Measuring Time Logic Puzzle

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You are given with two ropes with variable width. However if we start burning both the ropes, they will burn at exactly same time i.e. an hour. The ropes are non-homogeneous in nature. You are asked to measure 45 minutes by using these two ropes.

How can you do it?

Please note that you can’t break the rope in half as it is being clearly stated that the ropes are non-homogeneous in nature.

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Mind Teasers : Pirates Probability Brain Teaser

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You are stuck with the pirates who might even kill you on board. They give you a chance to survive. There are hundred black rocks and hundred red rocks. There are two empty sacks which are labelled as heads and tails respectively. You have to divide the rocks in two bags as per your wish. Then a fair coin will be flipped. If its heads, you will have to pick a rock on random from the sack labelled heads and if its tails, you will pick up from the tails sack. If you pick up a black rock, you will be freed and if you pick up a red rock, you will be killed.

How will you distribute the rocks so that your chances of survival are the best?

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