ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!


    тЪб Month End Offer - Flat 52% Off On All Courses! Enroll Now тЪб
    00:00:00 AM Left

    Question

    Average age of 16 students is 18 years. If 4 students

    leave the class, then the average age decreases by 1.5 years. Find the average age of the students who left the class.
    A 16.8 yrs Correct Answer Incorrect Answer
    B 19.5 yrs Correct Answer Incorrect Answer
    C 22.5 yrs Correct Answer Incorrect Answer
    D 27.5 yrs Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Total age of 16 students = 16├Ч18 years = 288 years. New average age after 4 students leave = 16.5 years. Total age of 12 students = 12├Ч16.5 years = 198 years. Total age of the 4 students who left = 288тИТ198 years = 90 years Average age of the 4 students who left = 90/4years = 22.5 years

    Practice Next
    More Average Questions
    ask-question