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2 years, 5 months ago
2 years, 5 months ago
let say C do 90 units/day
1/3 which 33.33% of 90 is 30 means B do 30+90 = 120 units/day
and A do 1/4 which is 25% of 120 that is 30 means A do 30+120 = 150 units/day
so, A = 150 units/day
B = 120 units/day
C = 90 units /day
now , if A can complete the job in let say 40 days the he will do 6000 uints and same work will be done by B in 50 days , which satisfy first condition
now , if C work for 11 days means 90*11 = 990 units
A work for 19 days means 120*19 = 2850 units
so out of 6000 , 3840 units is completed remaining 2160 work will be done by B
so number of days = 2160/120 = 18