A dreadful drought had struck the land
Though rain it fell and fell-
'Twas wrong this sort of rain you see
It did not soak in well...*
"The waterboard the reservoirs
To fill do all they can!
They do not catch the rain that falls-
They start a hosepipe ban!"
Puzzle 4
You have been hired to regulate the level of the Serpentine so canoeing can take place there. You have 3 hoses: Hose A, Hose B and Hose C.Hose A will fill the lake in 18 hours. Hose B in 15 hours. Hoses B & C together would take 6 hours. You manage to connect all three hoses. How long should it take?
