Brain Teasers & Puzzles
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2+3=8,
3+7=27,
4+5=32,
5+8=60,
6+7=72,
7+8=??Solve it?
View SolutionSubmit Solution- 1,643.1K views
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5+3+2 = 151022
9+2+4 = 183652
8+6+3 = 482466
5+4+5 = 202541
THEN ;
7+2+5 =?View SolutionSubmit Solution- 1,642.4K views
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A number of cats got together and decided to kill between them 999919 mice. Every cat killed an equal number of mice.
How many cats do you think there were?
Ob, by the way let me clarify just two points—it is not one cat killed the lot, because I have said ‘Cats’ and it is not-999919 cats each killed one mouse, because I have used the word ‘mice’.
I can give you just one clue—each cat killed more mice than there were cats.View SolutionSubmit Solution- 1,647.4K views
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We all know that a chess board has 64 squares. This can be completely covered by 32 cardboard rectangles, each cardboard covering just 2 squares.*
Supposing we remove 2 squares of the chess board at diagonally opposite corners, can we cover the modified board with 31 rectangles? If it can be done how can we do it? And if it cannot be done, prove it impossible.View SolutionSubmit Solution- 1,644.9K views
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Recently, while in London, I decided to walk down the escalator of a tube station. I did some quick cal-culations in my mind. I found that if I walk down twenty-six steps, I require thirty seconds to reach the bottom. However, if I am able to step down thirty-four stairs I would only require eighteen seconds to get to the bottom.
If 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, can you tell the height of the stairway in steps?View SolutionSubmit Solution- 1,643.2K views
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We have a circular dining table made of marble which has come down to us as a family heirloom. Ws also have some beautiful bone-china saucers that I recently brought from Japan.
Our table top is fifteen times the diameter of our saucers which are also circular. We would like to place the saucers on the table so that they neither over lap each other nor the edge of the table.
How many can we place in this manner?^View SolutionSubmit Solution- 1,641.2K views
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When my uncle in Madura died recently,
he left a will, instructing his executors to divide his estate of Rs. 1,920,000 in this manner: Every son should receive three times as much as a daughter, and that every daughter should get twice as much as their mother.What is my aunt’s share?
View SolutionSubmit Solution- 1,641.0K views
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It is a small town railway station and there are 25 stations on that line. At each of the 25 stations the passengers can get tickets for any of the others 24 stations.
How many different kinds of tickets do you think the booking clerk has to keep?View SolutionSubmit Solution- 1,642.1K views
- 1 answers
- 1 votes
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A man I know, who lives in my neighborhood, travels to Chinsura every day for his work. His wife drives him over to Howrah Station every morning and in the evening exactly at 6 P.M. she picks him up back at the station and takes him home.
One day he was let off at work an hour earlier, and so he arrived at the Howrah Station at 5 P.M. instead of at 6. He started walking home. However he met h» wife en route to the station and got into the car. They drove home arriving 10 minutes earlier than usual.
How long did the man have to walk, before he was picked up by his wife?View SolutionSubmit Solution- 1,640.7K views
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Two women were selling marbles in the market place —one at three for a paise and other at two for a paise. One day both of them were obliged to return home when each had thirty marbles unsold. They put together the two lots of marbles and handing them over to a friend asked her to sell them at five for 2 paise. According to their calculation, after all, 3 for one paise and 2 for one paise was exactly the same as 5 for 2 paise.
But when the takings were handed over to them, they were both most surprised, because the entire lot together had fetched only 24 paisel If however, they had sold their marbles separately they would have fetched 25 paise.
Now where did the one paise go? Can you explain the mystery?View SolutionSubmit Solution- 1,642.0K views
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