2 years ago in Time and Work

Two pipes can fill the cistern in 10hr and 12 hr respectively, while the third empty it in 20hr. If all pipes are opened simultaneously, then the cistern will be filled in:

[A] 7.5 hr
[B] 8 hr
[C] 8.5 hr
[D] 10 hr
Loading...
Next Question

Overall Stats

Attempted 0
Correct 0
Incorrect 0
Viewed 0

Answers

Guest
Guest

Related Questions