A wedding sangeet starts at the evening time on this clock and runs for 4 h 50 min. On a 24-hour clock, when does it end?

Evening 7:15 is 19:15. Adding 4 h 50 min gives 24:05, which is written 00:05 (5 minutes past midnight). (12:05 forgets the 24-hour format; 23:05 adds only 3 h 50 min.)