Puzzle: Four trainings (Excel, Filing, Ethics and Writing) are held from Monday to Thursday, one per day. Writing is held the day after Excel. Filing is not held on Monday. Ethics is held on an earlier day than Excel. Filing is held after Writing. Which training is held the day before Writing?
Correct answer: C. Excel
The only schedule is: Monday Ethics, Tuesday Excel, Wednesday Writing, Thursday Filing. By the rule "Writing is held the day after Excel", the training on the day before Writing is always Excel.
easy