Raju can do a piece of work in 10 days and tinku in 15 days they all start the work together but raju leave after 2 days and Vicky leaves 3 days before the workis completed in how many days is the work completed
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Lcm of 10, 12, 15 is 60
Raju------10-------6
Vicky-----12-------5
Tanku----15-------4
R+V+T -----2 days-----15*2----30
T---------------3 days------4*3-----12
Remaining 18
V+T------18/9 = 2 days
Total days = 7 days
Raju------10-------6
Vicky-----12-------5
Tanku----15-------4
R+V+T -----2 days-----15*2----30
T---------------3 days------4*3-----12
Remaining 18
V+T------18/9 = 2 days
Total days = 7 days
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