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    Question

    In how ways can the selection be made so that a

    particular member is always excluded?┬а ┬а┬а There are 5 members in a delegation which is to be sent abroad. The total no. of members is 11.┬а
    A 722 Correct Answer Incorrect Answer
    B 482 Correct Answer Incorrect Answer
    C 340 Correct Answer Incorrect Answer
    D 252 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    As 1 person is always excluded, members are to be chosen out of 10 persons. тИ┤ Reqd. no. of ways = 10C_5┬а =┬а ┬а(10┬а ├Ч┬а ┬а9 ├Ч┬а 8 ├Ч┬а 7 ├Ч 6)/(5 ├Ч 4 ├Ч 3 ├Ч 2)┬а =┬а ┬а252

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