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

    âš¡ Month End Offer - Flat 52% Off On All Courses! Enroll Now âš¡
    00:00:00 AM Left

    Question

    114 unit of work can be completed by P alone in 19 days.

    P started working alone and joined by Q after 10 days such that they completed the remaining work in 6 days. Find the number of days taken by Q to complete the whole work alone.
    A 9 days Correct Answer Incorrect Answer
    B 30 days Correct Answer Incorrect Answer
    C 22 days Correct Answer Incorrect Answer
    D 38 days Correct Answer Incorrect Answer

    Solution

    Let the efficiency of Q = x units/day Efficiency of P = (114/19) = 6 units/day According to question: 6 × 10 + (6 + x) × 6 = 114 Or, 60 + 36 + 6x = 114 Or, 6x = 114 – 96 Or, 6x = 18 Or, x = 3 Number of days taken by Q to complete the work alone = (114/3) = 38 days

    Practice Next
    More Time and work Questions

    Relevant for Exams:

    ask-question