11th Class Mental Ability Inserting Missing Number Question Bank Question - Inserting Number Test

  • question_answer Direction: Find the missing number/alphabet.
    6 15 20
    8 4 5
    3 5 20
    51 65 ?

    A) 55

    B) 75

    C) 100

    D) 120

    E) None of these

    Correct Answer: D

    Solution :

    Explanation Option (d) is correct. In the first column, \[6\times 8+3=51\] In the second column, \[15\times 4+5=65\] \[\therefore \] In the third column, missing number \[=20\times 5+20=120\]


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