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Two Pipelines Can Fill a Small Tank in 10 Min

Question 14

Multiple Choice

Two pipelines can fill a small tank in 10 min. One of the pipelines would require 20 min to fill the tank. How long would it take the second pipeline, working alone, to fill the tank?


A) 17 min
B) 20 min
C) 30 min
D) 24 min
E) 23 min

Correct Answer:

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