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

    Four boys and nine girls can

    complete a task in 24 days. Three boys and five girls can finish the same task in 36 days. How many days will it take for six boys and six girls to complete the same task?
    A 18 days Correct Answer Incorrect Answer
    B 21 days Correct Answer Incorrect Answer
    C 25 days Correct Answer Incorrect Answer
    D 32 days Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let no of boys be 'b' and no of girls be 'g' (4b+9g)24 = (3b+5g)36 (4b+9g)2 = (3b+5g)3 8b+18g = 9b+15g b = 3g 21g ├Ч 24 = 24g ├Ч number of days taken Number of days taken = 21 days

    Practice Next
    More Time and work Questions

    Relevant for Exams:

    ask-question