Question

if I get the correct answer I'll mark it as brainliest...




49) Two pipes A and B can fill a cistern in 15 hours and 10 hours
respectively. A tap C can empty the full cistern in 30 hours. All the
three taps were open for 2 hours, when it was remembered that the
emptying tap had been left open. It was then closed. How many hours
more would it take for the cistern to be filled?
a) 30 min.
b) 1.2 hours
c) 24 min.
d) 35 min.
e) None of these​

Answer 1

Answer:

1.2 is the correct answer.

Answer 2

Answer:

1.2 hours is the correct answer

please mark my answer as brainliest