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

    Question

    In a college the ratio of boys and girls are in the

    ratio 6:7. 60% girls and 25% boys were absent. Find the girls present if the total number of students in a college were 260.
    A 88 Correct Answer Incorrect Answer
    B 63 Correct Answer Incorrect Answer
    C 90 Correct Answer Incorrect Answer
    D 56 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Boy : Girl = 6:7 Total number of students = 260 Number of Boys = (6/13) × 260 = 120 Number of Girls = (7/13) × 260 = 140 Number of girls absent = 60% × 140 = 84 Number of boys absent = 25% × 120 = 30 Total number of girls present = 140 – 84 = 56

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