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

    Question

    The average marks scored by 45 boys and 55 girls are 78

    and 84 respectively. Find the average marks scored by all the students together. (Answer should be rounded off to the nearest integer)
    A 44 Correct Answer Incorrect Answer
    B 60 Correct Answer Incorrect Answer
    C 81 Correct Answer Incorrect Answer
    D 79 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Required average = (45 X 78 + 55 X 84) ├╖ (45 + 55) = (3,510 + 4,620) ├╖ 100 = (8,130 / 100) тЙИ 81

    Practice Next
    More Average Questions

    Relevant for Exams:

    ask-question