Final answer:
It is true that the Remove method can be used to remove an item from an ArrayList if you know the item but not its position, and it's commonly used with the Contains method in an If-Then statement.
Step-by-step explanation:
The statement is true. If you know the item you want to remove from an ArrayList, but not its position, you can use the Remove method. This method takes the object to be removed as its only argument. If the object is in the ArrayList, it will be removed; if it's not, no action will be taken. Using Remove alongside the Contains method within an If-Then statement is a common practice to ensure the object is present in the ArrayList before attempting to remove it, thus avoiding unnecessary operations or errors.