Mathematics · Work and Time
Three printing machines, P, Q, and R, when working alone, can print 1,00,000 books in 8 hours, 16 hours, and 24 hours, respectively. These machines print books in turns of 1 hour each, starting with P, followed by Q, and then by R. However, after a total of 9 hours, P stops functioning, but Q and R continue working alternately for 1 hour each, with Q working during the 10th hour, until all 1,00,000 books are printed. In how many hours in total did machines Q and R complete printing the remaining books after P stopped?
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