International Business Machines (IBM) Question: In library, there are two racks with 40 books per rack. On dya, 30 books were issued. What fraction remained in racks? IBM Interview QuestionAnswer: 5/8 Previous QuestionNext QuestionSuppose if clerk can process 80 cheques in half an hour, how many cheques can she process in a seven and one half hour day?Average length of three tapes is 6800 feet. None of tapes is less than 6400 feet. What is the greatest possible length of one of the other tapes?