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4th Class Mental Ability Numbers Question Bank Number System

  • question_answer
    The value of sum (CD + DC) in Roman numerals is:

    A) CCC    

    B)        DCC

    C) CM                  

    D)        M

    E) None of these

    Correct Answer: D

    Solution :

    Explanation: Option (d) is correct. CD + DC = \[\text{(500-100)}+(500+100)=400+600=1000\]= M


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