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    Question

    In how ways can the selection be made so that a

    particular member is always included? There are 5 members in a delegation which is to be sent abroad. The total no. of members is 11. 
    A 720 Correct Answer Incorrect Answer
    B 480 Correct Answer Incorrect Answer
    C 240 Correct Answer Incorrect Answer
    D 210 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    As the person is always included, therefore, ∴ C_1  ×  10C_4   =   1 ×  (10 × 9 × 8 × 7)/(4 × 3 × 2)   = 210

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