four pipes a, b ,c & d can fill a tank in 12,16,20 & 24 hours respectively. pipe a was opened at 6 : am pipe b at 7:00 am , pipe c at 9:00 am & pipe d at 10:00 am. when the tank be full?
Answers
Answered by
0
Answer:
See your answer in this picture
Attachments:

Answered by
0
Answer:
11.49 am is the answer according to me
Similar questions