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  1. My age today is three times what it will be three years from now minus three times what my age was three years ago. How old am I?

     

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  3. A man has nine children, born at regular intervals. The sum of their squares of their ages is equal to the square of his own age. What are the ages of the children?

     

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  5. Edward is as old as Benjamin used to be when Edward was as old as Benjamn is now. Benjamin is 36. How old is Edward?

     

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  7. Charlotte is 13 years old. Her father Montague is 40 years old. How many years ago was Charlotte's father four times as old as Charlotte?

     

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  9. If you toss a die and it comes up with the number one 9 times in a row, what is the probability that it will come up with one on the next throw?

     

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  11.  'When Gwen is twice as old as Dean, Then I shall be just 17. But Gwendoline was 23 When Dean was twice as old as me.' Thats what Bill said. So tell us then, How old he was when Dean was ten?

     

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  13. 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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  15. If seven cats kill seven rats in 7 minutes, how many would be needed to kill one hundred rats in 50 minutes?

     

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  17. How can you give someone $63 using six bills, without using any one dollar bills?

     

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  19. A book costs $1 plus half its price. How much does it cost?

     

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