Ibm Interview Puzzles

You have a bucket full with 5 gallons of water.
What can you ADD to it in order to make it 3 gallons?View SolutionSubmit Solution 352.1K views
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Can you find out the number of squares in the given picture?
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How Many Chicken Maths Problem
A farmer sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and a half chicken more.
Can you find out how many chicken were sold by the farmer on that day if we tell you that the fourth customer bought a single chicken ?
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On one of the escalators on the London subway I find that if I walk down twentysix steps I require thirty seconds to get to the bottom, but if I make thirtyfour steps I require only eighteen seconds to reach the bottom. What is the height of the stairway in steps? The time is measured from the moment the top step begins to descend to the time I step off the last step at the bottom onto the level platform.
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A man crossed over Westminster Bridge one morning between eight and nine o clock by the tower clock (often mistakenly called Big Ben, which is the name of the large bell only, but this by the way). On his return between four and five o clock he noticed that the hands were exactly reversed. What were the exact times that he made the two crossings?
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A correspondent informs us that on Armistice Day (November 11, 1928) he had lived as long in the twentieth century as he had lived in the nineteenth. This tempted us to work out the day of his birth. Perhaps the reader may like to do the same. We will assume he was born at midday
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There are two bottles of 10 liter; each completely filled with water. Now 2 persons having empty bottles of 4 liter and 5 liter want to take 22 liters of water. You can use only these 4 bottles (10 literfull, 10 literfull, 5 literempty, 4 literempty) to transfer the water. Wasting or throwing of water is not permitted. How can this be done?
Note: It is assumed that you can not measure water level by comparing water level, or by judging, it should be exact 2 liters of water finally in each 4 and 5 liter water bottle.
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100 people standing in a circle in an order 1 to 100. No.1 has a sword. He kills next person (i.e. no. 2) and gives sword to next to next (i.e no.3). All person does the same until only 1 survives. Which number survives at the last?
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