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  5. Number System and its Operations

SSC Quantitative Aptitude Number System and its Operations Question Bank Numbers and Their Principles (II)

  • question_answer
    On multiplying a number by 7, all the digits in the product appear as 3's. The smallest such number is

    A) 47619

    B) 47719

    C) 48619

    D) 47649

    Correct Answer: A

    Solution :

    [a] By trial we find that smallest number consisting of entirely of 3's and divisible by 7 is 333333. Now,\[(333333\div 7)=47619\]


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