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7th Class Mathematics Related to Competitive Exam Question Bank Coding-Decoding

  • question_answer
    In a certain code language, '3a, 2b, 7c' means 'Truth is Eternal'; '7c, 9a, 8b, 3a' means 'Enmity is not Eternal' and '9a, 4d, 2b, 8b' means 'Truth does not perish'. Which of the following means 'Enmity' in that language?

    A) 3a                               

    B) 7c

    C) 8b            

    D) 9a

    Correct Answer: C

    Solution :

    In the 2nd and third statements, we find that '9a' means 'not'. In the 1st and 2nd statements, the common codes are '7c' and '3a' whereas the common words are 'is' and 'Eternal'. So in the second statements,' 8b' means 'Enmity'.                        


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