Relations And Functions

  • Question
    CBSEENMA11013293

    Which of the following are examples of null set?

    Set of odd natural numbers divisible by 2.

    Solution

    Let       B = set of odd  natural numbers divisible by 2.
    Set of odd natural numbers = {1, 3, 5, 7, 9, .........)
    None of them is divisible by 2.
    rightwards double arrow       space space space space space space space space space space space space space space straight B space space open curly brackets space space close curly brackets space space equals space space straight ϕ
    Hence,   B is a null set.

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