Pipe A can fill a tank in 22 hours, Pipe B alone can fill it in 15 hours and Pipe C can empty the full tank in 40 hours. If all the pipes are opened together, how much time will be needed to fill the tank? (Round off to two decimal places.)

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?