Question
Karan can do 80% works in 40 days. Remaining work
completed by Karan and Arjun in 6 days. In how many total days the total work is finish if Arjun work alone?Solution
Karan – 40 × 5/4 = 50 Karan + Arjun – 6 × 5/1 = 30 
Arjun = 150/(5-3) = 75 days
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