Mathematical Puzzle

When Jacob is twice as old as John, Then I shall be just 17. But Jaco was 23 When John was twice as old as me.’ That is what Trump said.
So, tell us, How old he was when John was ten?View SolutionSubmit Solution 318 views
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A newspaper made of 16 large sheets of paper folded in half. The newspaper has 64 pages altogether. The first sheet contains pages 1, 2, 63, 64.
If we pick up a sheet containing page number 45. What are the other pages that this sheet contains?
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How many times does the long hand of the clock pass the short hand between midnight one day and midnight the following day? As both hands are together at the starting time of midnight this does not count as a pass.
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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.
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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 3digit 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.View SolutionSubmit Solution 357 views
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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 272 views
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