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  • Question
  • 23   15   12
    X     24    49
    If 'X' is the resultant of the first row, what is the resultant of the second row?


  • Options
  • A. 24
  • B. 25
  • C. 28
  • D. 22

  • Correct Answer
  •  

    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:
    1st Row   23     15     12 ? 23 + 15 = 38
    [rule (i)]     ? 38 x 12 = 456     [rule (v)]
    2nd Row   X   24   49 ? 456   24   49
    ? 456 ÷ 24 = 19 [rule (iii)] ? 19 + 49 = 68     [rule (i)]
    ? Resultant of second row = 68


  • Mathematical Operations problems


    Search Results


    • 1. 
      If 264 * 2 = 6, 870 * 3 = 11, then what should 735 *5 be?

    • Options
    • A. 05
    • B. 12
    • C. 16
    • D. 03
    • Discuss
    • 2. 
      7   4   8   2 = 24

    • Options
    • A. -, x and x
    • B. -, x and ÷
    • C. x, - and ÷
    • D. x, ÷ and -
    • Discuss
    • 3. 
      16 (27) 43, 29 (?) 56, 36 (12) 48

    • Options
    • A. 23
    • B. 33
    • C. 27
    • D. 37
    • Discuss
    • 4. 
      If K denotes 'X', B denotes '÷', 'T' denotes '-' and 'M' denotes '+', then 40   B   8   T   6   M 3   K   4 =?

    • Options
    • A. 19
    • B. 11
    • C. -31
    • D. 23
    • Discuss
    • 5. 
      If A means '-' , B means '+', C means 'x', and D means '÷' then 32   D   4   B   7   C   2  A  6

    • Options
    • A. 18
    • B. 24
    • C. 36
    • D. 16
    • Discuss
    • 6. 
      37   12   21
      38   81   14
      What is the difference between the resultants of the two rows?

    • Options
    • A. 23
    • B. 32
    • C. 13
    • D. 18
    • Discuss
    • 7. 
      16      8     32
      132   11   X 2
      If X is the resultant of the first row, what is the resultant of the second row?

    • Options
    • A. 192
    • B. 128
    • C. 132
    • D. 144
    • Discuss
    • 8. 
      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
    • Discuss
    • 9. 
      12   28   84
      37   22   18
      What is the sum of the resultant of the two rows?

    • Options
    • A. 77
    • B. 87
    • C. 84
    • D. 72
    • Discuss
    • 10. 
      16   7   25
      m   23   22
      If 'm' is the resultant of the first row, what will be the resultant of the second row?

    • Options
    • A. 132
    • B. 88
    • C. 122
    • D. 78
    • Discuss


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