Question

`Through three pipes 'x' 'y' & 'Z' to an empty tankIs filled To pipe 'x' and 'tank' aloneCan be completed in 30 hours and 45 hours respectively. firstIn the hour pipes 'x' and 'y' fill the tank and otherIn the hour pipe '' and 'Z' fill the tank andThe tank is filled 70% in 15 hours by filling it properly.If pipe 'Z' when opened with 'x' and ''Goes then the supply from it to the original supply75% then let the pipe 'Z' alone fill that tankHow long will it take?(a) 40.5 hours(c) 54 hours(by) 56.25 hours(and) 45 hours`​

Answer 1

Answer:

$11111 { {y {x}^{?} }^{?} }^{2}$

Answer 2

Answer:

11111yx

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