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Home Verbal Reasoning Mathematical Operations See What Others Are Saying!
  • Question
  • 345   23   X
    45    17    81
    It 'X' is the resultant of the second row, what is the resultant of the first row?


  • Options
  • A. 285
  • B. 33
  • C. 135
  • D. 34

  • Correct Answer
  • 34 

    Explanation

    Rules
    (i) (2-digit odd number) + (2-digit odd number)
    (ii) 2-digit even number ? 2-digit perfect square odd number then, (odd number) - (Even number)
    (iii) (3-digit number) ÷ (2-digit number)
    (iv) (Prime number) + (Even number)
    (v) (Even number) x (Even number)
    Solution:
    2nd Row 45   17   81 ? 45 + 17 = 62     [rule (i)]
    ?         81 - 62 = 19 [rule (ii)]
    1st Row 345   23   X ? 345   23   19
    ? 345 ÷ 23 = 15 [rule (iii)]
    ? 345 ÷ 15 + 19 [rule (i)]
    ? Resultant of first row = 34


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    • 3. 
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    • 4. 
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    • Options
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