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CBSE Notes 2011-2012

If ten pipes through which water flows at the same rate can fill a tank in 28 minutes. If three pipe...

Multiple choice question

If ten pipes through which water flows at the same rate can fill a tank in 28 minutes. If three pipes go out of order, how long will the remaining pipes take to fill the tank ?

unknown

40 minutes

unknown

40 minutes

unknown

56 minutes

unknown

42 minutes