Warning: implode(): Invalid arguments passed in /www/wwwroot/jobquiz.info/mdiscuss.php on line 336 A can do a work in 12 days B in 6 days and C in 3 days. A and B start working together and after a day, C joins them. The total number of days required to complete the work is ?->(Show Answer!)
1. A can do a work in 12 days B in 6 days and C in 3 days. A and B start working together and after a day, C joins them. The total number of days required to complete the work is