This question is important for competitive exams like SSC, UPSC, Banking, and other government exams. Understanding this concept will help improve your accuracy and performance in real exams. Practice similar MCQs regularly to strengthen your preparation and boost your score.
Correct Answer: Thorough and rigorous
A. Feeling panic: Fear.
B. Thorough and rigorous: Very careful.
C. Taking risk: Danger.
D. Painful and sorrow: Sad.
Painstaking → putting pain to make work perfect → thorough work.