For taking copies on a duplicator__Paper is used.ACarbon paperBA4 paperCA5 paperDStencil paperAnswer: D. Stencil paper Read Explanation: The duplicating Machine was first invented by James Watt in 1780.Duplicator is otherwise called ‘Multi Copier’Stencil duplicating means taking a large number of copies.For taking copies on a duplicator Stencil paper is used Read more in App