General Intelligence · Puzzles

Study the following information carefully to answer the question. Seven persons: A, B, C, D, E, F, and G purchased some items one after another (i.e., eraser, pen, TV, printer, mouse, mug, and phone) but not necessarily in the same order. * A purchased a mouse and there is a gap of 2 persons between A and E. * E did not come first or last. * As many persons came after A as the number of persons who came before F, who purchased the pen. * C purchased an eraser immediately before A. * There is a gap of 4 persons between E and G, who purchased a printer. * D purchased a phone immediately before E, who purchased a TV. * The mug was purchased by B. There is a gap of how many persons between F and G?