I left home for bringing milk between 7am and 8am. The angle between the hour-hand and the minute hand was 90° I returned home between 7 am and 8 am. Then also the angle between the minute-hand and hour-hand was 90°. At what time (nearest to second) did I leave and return home?

• ক 7h 19m 24s & 7h 52m 14s
• খ 7h 20m 42s & 7h 53m 11s
• গ 7h 21m 49s & 7h 54m 33s ✅ সঠিক উত্তর
• ঘ 7h 18 m 35s & 7h 51m 24s