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  • Question
  • There is a 3 digited number. 3rd digit is the square root of the 1st digit. 2nd digit is the sum of 1st and 3rd. And that number is divisible by 2,3,6,7. What is that number?


  • Options
  • A. 121
  • B. 943
  • C. 462
  • D. None

  • Correct Answer
  • 462 

    Explanation

    Assume that the number is taken as XYZ.
    Condition 1 => Z = sq.root(x) => Possible digits of X is 1,4,9
    Condition 2 => Y = X + Z
    X Y Z
    1 2 1
    4 6 2
    9 12 3 => (wrong because it is 4 digit.)

    and 121 is not divisible by 2

    The answer is 462.

  • Tags: Bank Exams, CAT, GATE, Bank Clerk, Bank PO

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