New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    In how many ways Barcelona’s football team captain

    and vice-captain be elected from a team of 15 men?
    A 320 Correct Answer Incorrect Answer
    B 210 Correct Answer Incorrect Answer
    C 420 Correct Answer Incorrect Answer
    D 560 Correct Answer Incorrect Answer
    E 1040 Correct Answer Incorrect Answer

    Solution

    To do this, if captain is selected first, then we have 15 ways of doing this. For election of vice-captain, we have 14 ways left, because 1 way is already consumed. So, the required answer = 14 × 15 = 210

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