Brain Teasers & Puzzles
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On a circular path two person are walking in anti direction. How many times they will cross each other in one full round ?
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An analog clock showing 3:15. What is the angle between the minute hand and hour hand?
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Jacob is hanging out on a heavily forested island that is really narrow: it is a narrow strip of land that is Eight miles long. One End of the strip is A, and the other end B. A fire has started at A and the fire is moving toward B at the rate of 1 mph. at the same time, there is a 2 mph wind blowing in the direction from A toward B. what can Jacob do to save himself. Assume that Jacob can’t swim and there are no boats, jet-copters, teleportation devices, etc.. (if he does nothing, Jacob will be toast after at most 8 hours, since 8 miles / 1 mph = 8 hours)
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scientific studies have shown that there is a direct, positive correlation between foot size and performance in spelling tests. how can you explain this correlation?
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There are two ropes which are of different length.
Each rope takes 60 minutes to burn completely when set on fire from one end.
You have to measure 45 minutes of time with the help of this ropes.
You cannot fold the ropes to half or tamper any of them.View SolutionSubmit Solution- 936.6K views
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A prisoner fate will be determined by a game. there are two jars, one with 100 white marbles, and one with 100 black marbles. at this point, prisoner is allowed to redistribute the marbles however he wish e.g. swap a black marble with a white marble, etc. the only requirement is that after prisoner is done with the redistribution, every marble must be in one of the two jars. Afterwards, both jars will be shaken up, and prisoner will be blindfolded and presented with one of the jars at random. then he pick one marble out of the jar given to him. if the marble prisoner pull out is white, prisoner live; if black, prisoner die. how should prisoner redistribute the marbles to maximise the probability that he live; what is this maximum probability (roughly)?
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Champagne is the traditional toasting drink of New Year’s. Where is it made?
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