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

    Question

    Ram can do a piece of work in 50 days. He alone worked

    at it for 20 days and then Lakshman completed alone the rest work in 30 days. In how many days, they will complete the whole work, working together?
    A 16(2/3) days Correct Answer Incorrect Answer
    B 20 days Correct Answer Incorrect Answer
    C 25 days Correct Answer Incorrect Answer
    D 12*6/7 days Correct Answer Incorrect Answer

    Solution

    Efficiency of Ram = 100/50 = 2% Work done by Ram in 20 days = 20/50 × 100 = 40% Remaining work = 60% Efficiency of Lakshman = 60/30 = 2% Therefore, required number of days = 100/((2+2)) = 100/4 = 25 days

    Practice Next
    More Time and work Questions

    Relevant for Exams:

    ask-question