How to Use "undoubted" with Example Sentences

1. The performance was an undoubted success .

2. We are undoubted her talent as an athlete .

3. A state-managed banking system has undoubted virtues .

4. The recruitment of teachers has been an undoubted problem .

5. One of the undoubted advances of the modern world is that fathers are much more hands-on with their children .