search
Q: A pipe can fill a tank in 12 hrs and the second pipe can fill it in 15 hrs. If both the pipes are opened at the same time, then how much time will it take to fill half of the tank ?
  • A.
    option image
  • B.
    option image
  • C.
    option image
  • D.
    option image
Correct Answer: Option B -
answer image

Explanations:

explanation image