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    Question

    Anuj has eight friends whom he wants to invite for dinner. In how many ways can he invite at least four friends?

    A 169 Correct Answer Incorrect Answer
    B 163 Correct Answer Incorrect Answer
    C 219 Correct Answer Incorrect Answer
    D 191 Correct Answer Incorrect Answer

    Solution

    Total friends of Anuj =8 Anuj can invite at least four friends=8C4 +8C5 +8C6 +8C7 +8C8 =70+56+28+8+1 =163

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