Relations And Functions

  • Question
    CBSEENMA11013281

    Write the following sets in the roster form :

    C = {x : x is a two-digit natural number such that the sum of its digits is 8}

    Solution

    C = {x : x is a two-digit natural number such that the sum of its digits is 8}
    rightwards double arrow  x = 17, 26, 35, 44, 53, 62, 71, 80
    Hence, roster form of set C is {17, 26, 35, 44, 53, 62, 71, 80}

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