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

    Question

    The average weight of тАШxтАЩ persons is 50 kg. The

    average weight of (x тАУ 15) women is 40 kg, the average weight of (x тАУ 20) children is 35 kg, and the average weight of (x тАУ 24) men is 50 kg. Find the value of тАШxтАЩ, if total person is the sum of men, women and children.
    A 40 Correct Answer Incorrect Answer
    B 32 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 38 Correct Answer Incorrect Answer
    E 27 Correct Answer Incorrect Answer

    Solution

    Total weight of x persons = 50 ├Ч x = 50x kg Total weight of (x тАУ 15) women = 40 ├Ч (x тАУ 15) = 40x тАУ 600 kg According to the question, 50x = 40x тАУ 600 + 35x тАУ 600 + 50x тАУ 1200 50x = 125x тАУ 2400 125x тАУ 50x = 2400 75x = 2400 x = 32

    Practice Next
    More Average Questions

    Relevant for Exams:

    ask-question