Amrita took a flight at 9 : 45 from Singapore to Delhi. She then took a taxi to home. It took her 2 hrs and 15 mins by taxi to reach home. If she reached home at 17 : 20, then how long was her flight?
A4 hrs 50 mins
B5 hrs 10 mins
C6 hrs 10 mins
D5 hrs 20 mins