Question

two taps A and B fill a tank in 6 and 8 hours respectively and outlet can empty the completely filled tank in 15 hours how long would it take to fill the empty tank if all of them are opened simultaneously​

Answer 1

Answer:

40/9 hrs.

Step-by-step explanation:

Part of Tank filled in 1 hr               = 1/6 + 1/8 - 1/15

                                                      =   (20 + 15 - 8) /120

                                                       = 27/120 = 9/40

Time taken to fill complete tank = 40/9 hrs.

Answer 2

answer is

40/9 hours

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