Question

two type X and Y can fill a tank in 9 hours and 6 hour respectively if both of them are opened together how long they will take to fill the tank completely​

Answer 1

Step-by-step explanation:

Time taken by pipe X in 1 hour = 1/9

Time taken by pipe Y in 1 hour = 1/6

Time taken by both pipe in 1 hour = 1/9+1/6

=2+3/18=5/18

Total Time taken by both pipes to fill the tank =

18/5 hours

=18/5*60 minutes

=216 minutes

=3 hours 36 minutes