Total work = LCM (45, 60, 60) = 180 units
Efficiency of Kapil and Prakash = 180/45 = 4
Efficiency of Prakash and Pihu = 180/60 = 3
Efficiency of Pihu and Kapil = 180/60 = 3
Total efficiency of Kapil, Prakash and Pihu = (4 + 3 + 3)/2 = 5
Days taken by Kapil, Prakash and Pihu to complete the work = 180/5
=> 36 days
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishA can lay railway track between two given stations in 20 days and B can do the same job in 12 days. With the help of C, they did the job in 2 days only. Then, C alone can do the job in
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