Mathematical Puzzle
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Jacob is 13 years old. His father John is 40 years old. How many years ago was Jacob’s father four times as old as Jacob ?
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A dealer has 1000 coins and 10 bags. He has to divide the coins over the ten bags so that he can make any number of coins simply by handing over a few bags.
How must divide his money into ten bags?
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371 is a number that can be expressed as the sum of cube of its digits,
i.e., 371=3^3 + 7^3 + 1^3
Can you name another such 3-digit number within a minute?
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A girl found that she had a 56 cms strip of ribbon. She could cut a cm off every second. How long would it take for her to cut 56 pieces?
Note- She can not fold the strip and also, can not stack two or more strips and cut them together.
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One man has a habit of smoking cigarettes regularly. He has a strange habit of smoking even filters of the cigarette, which people usually throw it out. After smoking every 5 cigarettes, he attaches five filters of each cigarette and then he smokes it.
Now the question is, if he has a packet of 25 cigarettes daily, how many numbers of cigarettes per day he actually consumes?
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John has three sons and his friend Jacob wants to know their ages. John gives him three hints as Jacob could not answer till the third hint :–
1. The product of their ages is 72
2. The sum of their ages is the same as my house number
3. The oldest of sons love chocolate ice creamView SolutionSubmit Solution- 1,086.0K views
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When my father was 31 I was 8. Now he is twice as old as me. How old am I?
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In a get-together i counted the number of handshakes that were exchanged. There were 28 altogether.
Can you tell me how many how many guests were present ?View SolutionSubmit Solution- 1,100.0K views
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