10th Class Mental Ability Coding-Decoding Question Bank Coding-Decoding

  • question_answer If 54 + 43 = 2, 60 + 51 = 10, then 62 + 72 =?.

    A)  30                               

    B)  18             

    C)  9                                

    D)  20

    Correct Answer: C

    Solution :

     : We have, 54 + 43 = 2. Also, \[54+43=97\to 9-7=2=60+51=10.\] Also, \[60+51=111\to 11-1=10\] So, \[62+72=134\Rightarrow 13-4=9.\]

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