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madhu.mukherjee.946

  • one year ago

how many numbers less than 999 can be formed with the digits 2,3,4,5 when there is no restriction. provide logical reasoning

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  1. madhu.mukherjee.946
    • one year ago
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    what?

  2. imqwerty
    • one year ago
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    so the number will be a 3 digit number so number of ways of filling 3 of number with the given 5 numbers=5P3 =5x4x3=60 :)

  3. madhu.mukherjee.946
    • one year ago
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    no the answer is 84 and i got it:)anyways i appreciate your help

  4. imqwerty
    • one year ago
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    wait i made a mistakee

  5. imqwerty
    • one year ago
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    oh got it

  6. madhu.mukherjee.946
    • one year ago
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    good

  7. imqwerty
    • one year ago
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    it wuld be 5P3 +5P2+5P1

  8. madhu.mukherjee.946
    • one year ago
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    :)

  9. imqwerty
    • one year ago
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    wait that shuld be 85?

  10. madhu.mukherjee.946
    • one year ago
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    no its 84

  11. imqwerty
    • one year ago
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    m still missing something

  12. madhu.mukherjee.946
    • one year ago
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    number less than 999 can be of 3 digit or 2 digit or even one digit and we have got 4 numbers as option so we got to choose each digit from those 4 numbers

  13. imqwerty
    • one year ago
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    yes yes got that the answer is 84

  14. imqwerty
    • one year ago
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    damn nawwwwwwww that wuld be 4P3+4P2+4P1 >.< silly mistakes

  15. imqwerty
    • one year ago
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    this is the second time i made a grand mistake >.<

  16. imqwerty
    • one year ago
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    thanks @madhu.mukherjee.946 :)

  17. madhu.mukherjee.946
    • one year ago
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    so (4p1*4p1*4p1)+(4p1*4p1)+(4p1)=84

  18. madhu.mukherjee.946
    • one year ago
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    welcome:)

  19. imqwerty
    • one year ago
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    (:

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