6th Class Mathematics Mental Ability Question Bank Mental Ability

  • question_answer Select the missing number from the given responses.
    7 21 15
    49 441 225
    98 882 450
    140 1302 ?

    A)  6750                          

    B)  690          

    C)  1380              

    D)  660

    Correct Answer: D

    Solution :

    \[49+98-7=147-7=140\] \[441+882-21=1323-21=1302\] \[225+450-15=675-15=660\]


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