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5th Class Mental Ability Numbers Question Bank Inserting Missing Number

  • question_answer
    Find the missing number.

    A) 12   

    B)                                13

    C) 14    

    D)                                15

    E) None of these

    Correct Answer: D

    Solution :

    Explanation: [d] is correct. \[\left( 72 \right)+\left( 53 \right)~\left( 2818 \right)+\left( 3432 \right)~\left( 148 \right)+\left( x12 \right)=9\] \[\Rightarrow 5+2\Rightarrow 10+2~\Rightarrow 6+x\,12=9\] \[\Rightarrow 7\Rightarrow 12~\Rightarrow x=15\]


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