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

    Question

    In a class of 80 students, 75% of the students passed in

    Mathematics, and 85% passed in English. If 60% of the students passed in both subjects, how many students passed in exactly one subject?
    A 28 Correct Answer Incorrect Answer
    B 30 Correct Answer Incorrect Answer
    C 32 Correct Answer Incorrect Answer
    D 38 Correct Answer Incorrect Answer
    E 40 Correct Answer Incorrect Answer

    Solution

    Students passed in mathematics = 75% of 80 = 60 Students passed in English = 85% of 80 = 68 Students passed in both subjects = 60% of 80 = 48 Students passed only in mathematics = 60 - 48 = 12 Students passed only in English = 68 – 48 = 20 Total students passed in exactly one subject = 12+20 = 32

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