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A company has four offices numbered 1, 2, 3 and 4. Each office has exactly one computer and one printer. Each of these eight machines was bought in either 2019, 2020 or 2021. (i) In all offices, computers are bought earlier than printers or in the same year. (ii) Computer in office 2 and printer ... | Watch the step-by-step video solution for this NIMCET PYQ.