Answer
Answer: 1 Hints: 1. Pens are directly to left of memos = Pen <- Memos 2. Lamp cannot be next to the stapler = stapler -->lamp 3. Memos must be in the middle = 3rd place 4. Clipboard is to the left of the stapler = Clipboard <-- Stapler So, sequence is Lamp, Pens, Memo, Clipboard, Stapler