aptitude-11 online test, online practice test, exam, quiz

Online Practice Test > aptitude-11        (Total 20 questions)        (Time spent 0:0)

1. There are three pipes - A , B, C. They can fill a tank in 5 hrs, 10 hrs and 30 hrs respectively. If all the pipes are opened together, how long will they take to fill the tank?

   View Answer and Discussion