📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    âš¡ Azaadi sale - Celebrate Independence Day with Flat 55% Off On all courses! 13 to 17 Aug âš¡ Enroll Now

    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 – (Raj+ Sanjay) (Raj +Vaibhav) Working in first 2 days =10+9=19unit Working in 2×6=12 days =19×6=114unit 13days-6/10=3/5 Total time =12+3/5=63/5days

    Practice Next
    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call