New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

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

    ratio 7:9. 65% girls and 40% boys were absent. Find the girls present if the total number of students in a college were 320.
    A 88 Correct Answer Incorrect Answer
    B 63 Correct Answer Incorrect Answer
    C 70 Correct Answer Incorrect Answer
    D 56 Correct Answer Incorrect Answer
    E 68 Correct Answer Incorrect Answer

    Solution

    Boy : Girl = 7:9 Total number of students = 320 N umber of Boys = (7/16) × 320 = 140 Number of Girls = (9/16) × 320 = 180 Number of girls absent = 65% × 180 = 117 Number of boys absent = 40% × 140 = 56 Total number of girls present = 180 – 117 = 63

    Practice Next