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The One-Straw Revolution by Masanobu Fukuoka (translated by Larry Korn) is the story of one person who saw what was wrong with industrial agriculture (in the early days of industrial agriculture) and completely reinvented agriculture.
Two pipes, A and B, can independently fill the tank in 18 minutes and 20 minutes respectively, while pipe C can empty 8 gallons from the tank in 3 minut...
Three pipes are connected to a cistern such that pipes A and B can fill the cistern in 12 minutes and 18 minutes respectively, and pipe C can empty the ...
Pipe ‘A’ can fill a tank in 6 hours whereas pipe ‘B’ can empty it in 18 hours. If both pipes are opened together while pipe ‘B’ is closed af...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 9) hours. If the efficiency of pipe B is triple of pipe A and pipe A fill...
Pipe Y is 25% less efficient than pipe X. Together, pipes X and Y can fill a tank in 15 minutes. Pipe Z alone can empty the tank ...
An inlet pipe can fill a tank in 18 minutes, while an outlet pipe can empty it in 27 minutes. Sujata starts the inlet pipe at 6 a.m., but the outlet pip...
Pipes ‘P’ and ‘Q’ alone can fill a tank in 10 minutes and 25 minutes, respectively, while pipe ‘R’ can empty the same tank in 50 minutes. If...
A tank has two inlet pipes A and B and an outlet pipe C. Pipe A can fill the tank in 6 hours, and Pipe B can fill it in 8 hours. Pipe C can empty the fu...
Two inlet pipes M and N alone can fill a tank in 12 hours and 15 hours respectively and an outlet pipe P alone can empty the whole tank in 10 hours. Fir...
Pipe ‘A’ can fill a 210-litre tank in 10.5 hours. If pipe ‘A’ is 25% more efficient than pipe ‘C’ whereas pipe ‘B’ is 50% more efficient...
