Dert Rescuer (DR) Fire & Dert Rescuer (FDR) General Knowledge MCQs PTS Past Papers Rescue 1122 In which country was the world’s first underground train service opened? July 8, 2022 Admin No Comments A: USA B: Wales C: Scotland D: England Correct Answer: d Short Details: Underground train service was started in 1863 in London city of England. View More Details >>
