Math, asked by jayantakumarsamal, 11 months ago

two pipe a and b can fill a tank 36 hour and 45 hour respectively. ifbotth the pipe are opened simultaneously. how mauch time will be taken to fill a tank?

Answers

Answered by mahakbindal

4

may be 9hrs, not sure

Answered by ossom

7

example hai is hi tareh se banao ban jayega

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