A) 8 min
B) 9 min
C) 10 min
D) 15 min
Correct Answer: A
Solution :
Pipe A can fill part in 1 min \[=\frac{1}{12}\] Pipe B can fill part in 1 min\[=\frac{1}{24}\] Both simultaneously in 1 minute. \[\frac{1}{12}+\frac{1}{24}=\frac{1}{8}\] It takes 8 minute to fill tank simultaneouslyYou need to login to perform this action.
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