One tube can fill a tank five times as fast as another tube. If together the two tubes can fill tank in 42 min,then the slower tube alone will be able to fill the tank in?

One tube can fill a tank five times as fast as another tube. If togeth

1.	One tube can fill a tank five times as fast as another tube. If together the two tubes can fill tank in 42 min,then the slower tube alone will be able to fill the tank in?
A.	252 min
B.	208 min
C.	244 min
D.	192 min
Answer» B. 208 min

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One tube can fill a tank five times as fast as another tube. If together the two tubes can fill tank in 42 min,then the slower tube alone will be able to fill the tank in?

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