In order for that a decision in a former suit may operate as res judicata, the court which may decide that suit must have been?<br>1. A civil court of competent jurisdiction<br>2. A court of exclusive jurisdiction<br>3. A court of concurrent jurisdiction 'competent to try the subsequent suit'<br>4. A court of limited jurisdiction competent to try the issue raised in the subsequent suit

Correct Answer: All of these