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

    Question

    In a school, 60% of the students pass and 30 fail. The

    number of students appearing from another school is 25 more and 20 more students pass than the former school. The pass percentage of the latter school is.
    A 60 Correct Answer Incorrect Answer
    B 70 Correct Answer Incorrect Answer
    C 75 Correct Answer Incorrect Answer
    D 65 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let number of students in first school = x ⇒(60 x)/100 + 30 = x   ⇒x – (60 x)/100 = 30   ⇒  (40 x)/100  = 30⇒ x = 75   ∴  Number of passed students = 75 -30 = 45 Number of students in second school = 75 + 25 = 100 Number of passed students = 45 + 20 = 65 ∴ Pass percentage of the latter school = 65%

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