Find the Remaining Complete the Work ?

40 men can complete a work in 18 days. Eight days after they started working together, 10 more men joined then. How many days will they now take to complete the remaining work ?

  1.  6
  2. 8
  3. 10
  4. 12
Manish Listener Asked on 19th June 2015 in Maths.
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  • 1 Answer(s)

    Answer: (2) 8 days
    Explanation:-
    40 men can do complete the work = 18
    40 men can do work in a day = 1/18
    1 man can do work in a day = 1/18 x 40 = 1/720

    40 men can work in 8 days = 1 x 8/18 = 4/9
    Remaining work = 1 – 4/9 = 5/9
    10 more men joined then number of men = 40 + 10 = 50
    50 men can complete the remaining work = 9/5(50/720
    = 8 days
    Thus, 50 men can complete the remaining the in 8 days.
    Hence, the answer is (2) 8 days

    Anurag Mishra Professor Answered on 19th June 2015.
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