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

    Raj, Sanjay and Vaibhav can separately finish a work in

    20, 30 and 40 days, respectively. In how many days Raj can finish the work if he is assisted.by Sanjay and Vaibhav and alternates days starting with Sanjay.
    A 23/5days Correct Answer Incorrect Answer
    B 63/5days Correct Answer Incorrect Answer
    C 41/5days Correct Answer Incorrect Answer
    D 23/7days Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    RajSanjayVaibhav 203040 120 643 Working type тАУ (Raj+ Sanjay) (Raj +Vaibhav) Working in first 2 days =10+9=19unit Working in 2├Ч6=12 days =19├Ч6=114unit 13days-6/10=3/5 Total time =12+3/5=63/5days

    Practice Next
    More Time and work Questions

    Relevant for Exams:

    ask-question