Pipes A and B can fill a tank in 18 hours and 27 hours, respectively. If both pipes are opened on alternate hours, one at a time, and pipe A is opened for the first hour, then in how many hours will the tank be filled completely?

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?