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anonymous

  • one year ago

Find the least number of 5 digits which is exactly divisible by 65 .

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  1. anonymous
    • one year ago
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    65n ≥ 10,000 What's n?

  2. anonymous
    • one year ago
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    don't know !

  3. anonymous
    • one year ago
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    could u tell me how to start solving this question ?

  4. welshfella
    • one year ago
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    Divide both sides of the inequality by 65

  5. anonymous
    • one year ago
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    u mean 65 and 1oooo ?

  6. anonymous
    • one year ago
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    yes divide 10000/65

  7. welshfella
    • one year ago
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    |dw:1443439780505:dw|

  8. anonymous
    • one year ago
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    it would come in point that is 153.846..........

  9. anonymous
    • one year ago
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    right. since we don't want a remainder, (n has to be an integer) take the n to be 154. So the smallest 5 digit number will be 65 * 154

  10. anonymous
    • one year ago
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    this means rounding up of the number ?

  11. anonymous
    • one year ago
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    yes. 153.846... * 65 = 10000 exactly, so you have to round up to 154 to get an integer

  12. anonymous
    • one year ago
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    in each case , can we apply this method ?

  13. anonymous
    • one year ago
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    yes

  14. anonymous
    • one year ago
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    thank uuuuuuuuuuuuuuuuu so much :) !

  15. anonymous
    • one year ago
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    you're welcome

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