0.28) Three pipes A, B and C are attached to a cistern. A
can fill it in 20 minutes and B can fill it in 30 minutes. C is
a waste pipe. After opening both the pipes A and B, Riya
leaves the cistern to fill and returns when the cistern is
supposed to be filled. But she found that waste pipe Chad
been left open, she closes it and now the cistern takes
5 minutes more to fill. In how much time the pipe C can
empty the full cistern?
(a) 26.8 minutes
[c] 27.8 minutes
[b] 25.8 minutes
[d] 28.8 minutes
Answers
Answered by
0
Answer:
a is the answer. thankyou
Answered by
0
Answer:
A . is write answer 26.8 minutes
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