Working independently, Tina can do a certain job in 12 hours. Working independently, Ann can do
the same job in 9 hours. If Tina Works independently at the job for 8 hours and then Ann works
independently, how many hours will it take Ann to complete the remainder of the jobs?
Select the correct option.
A) 2/3  B) 3/4  C) 1  D) 2  E) 3
Work done by Tina in 1 hr=1/12   Work done by Tina in 8 hr=1/12*8 which is 2/3   Now,the remaining work is 1/3 which is completed by Ann in 1/3*9 which is 3hr   ANSW3R:3
<result>E</result>
Working independently, Tina can do a certain job in 12 hours. Working independently, Ann can do
the same job in 9 hours. If Tina Works independently at the job for 8 hours and then Ann works
independently, how many hours will it take Ann to complete the remainder of the jobs?