35. A water tank may be filled in 20 minutes by a
pipe. Through a hole at the bottom of the tank,
the tank may be emptied in 40 minutes. Without
closing the hole if the inlet pipe is opened then
how long will it take to empty the full cistern?
Answers
Answered by
0
Answer:
Hope it helps you.!
FOLLOW ME.!
like it and mark it as brainliest...!!
Attachments:
Similar questions