Warning: implode(): Invalid arguments passed in /www/wwwroot/jobquiz.info/mdiscuss.php on line 336 A and B can do a work in 12 days B and C can do it in 15 days C and A can do it in 20 days. Then the number of days required to complete the work A,B,C together is ?->(Show Answer!)
1. A and B can do a work in 12 days B and C can do it in 15 days C and A can do it in 20 days. Then the number of days required to complete the work A,B,C together is