Question

a tank has a capacity of 10000 litres pipe a can fill a tank in 5 hours and B can fill in 10 hours pipe ab opened at 1 p.m. and closed at 3 p.m. wild by be opened at 2 p.m. and close at 4 p.m. how much tank will remind empty after the pipe b is closed?
1)4000 litres
2)5000 litres
3)2000 litres
4)6000 litres​

Answer 1

Answer:

addd it

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