Efficiency of Ritu is 60% more than that of Rakesh. The difference between the number of days taken by them to complete a work is 18 days. If the effi...
Question
Efficiency of Ritu is 60% more than that of Rakesh. The difference between the number of days taken by them to complete a work is 18 days. If the efficiency of Rahul is 12.5% less than that of Ritu, then find the number of days taken by all three working together to complete the work.