Step 1: Importance of personality traits.
To improve personality, qualities like confidence and patience are important. Anger is generally not a desirable trait in improving one's personality.
Step 2: Analyzing each option.
- (A) Anger: Incorrect. Anger is not a quality that improves personality.
- (B) Confidence: Correct. Confidence is essential in improving personality as it helps in handling different situations with poise.
- (C) Patience: Correct. Patience is another key quality that helps in maintaining composure and improving overall personality.
- (D) b & c both: Correct. Both confidence and patience are essential qualities to improve personality.
Step 3: Conclusion.
Thus, the correct answer is both confidence and patience, as these are key qualities in personality development.
Final Answer:} b & c both.