A watch which gains uniformly is 6 minutes slow at 5 p.m. on Monday. On the following Monday at 9 a.m., it was 10 minutes 40 seconds fast. When was it correct? a) 5:46 p.m. on Monday b) 6:00 p.m. on Monday c) 6:15 p.m. on Monday d) 6:30 p.m. on Monday
