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Fireman
Lv 7
Fireman asked in Science & MathematicsMathematics · 9 years ago

the number of digit in smallest number which when multiplied by 7 yields all nines?

the number of digit in smallest number which when multiplied by 7 yields all nines

A) 3 C) 4

B) 5 D) 6

3 Answers

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  • ?
    9 years ago
    Favorite Answer

    6, divide 999999 by 7 to get whole number.

  • RossK
    Lv 7
    9 years ago

    D, 6-digits

  • Sonam Kamboj
    6 years ago

    7xX=999999---------

    divide 999999--- by 7

    get 142857

    number of digit in 142857=6

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