Question

A matchbox tray slides into its outer cover in how many different ways can you do this

Answer 1

-- Slide end-A of the tray, right-side-up, into end-A of the cover.    (0 0 0)
-- Slide end-A of the tray, right-side-up, into end-B of the cover.    (0 0 1)
-- Slide end-A of the tray, upside-down, into end-A of the cover.    (0 1 0)
-- Slide end-A of the tray, upside-down, into end-B of the cover.    (0 1 1)
-- Slide end-B of the tray, right-side-up, into end-A of the cover.    (1 0 0)
-- Slide end-B of the tray, right-side-up, into end-B of the cover.    (1 0 1)
-- Slide end-B of the tray, upside-down, into end-A of the cover.    (1 1 0)
-- Slide end-B of the tray, upside-down, into end-B of the cover.    (1 1 1)