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    Question

    In a company interview test, 65% of the students passed

    in the first round, and 55% passed in the technical round, while 15% of students failed in both tests. If 280 students passed in both tests, then find the total number of students who appeared in the interview.
    A 560 Correct Answer Incorrect Answer
    B 800 Correct Answer Incorrect Answer
    C 750 Correct Answer Incorrect Answer
    D 652 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let Total pass students  = 65+55 Students who Fail in interview  test =15 Students Pass + fail in a interview test =100% 120 + 15 = 100% 135 = 100% 35% = 280  1% = 8  100% = 800

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