Identify the time being asked. Given
12-hour
24-hour
1.) Half past midnight
2.) 2 hours to 9:00 p. m.
3.) 5 to 23:00 H
4.) Quarter after 00:00
H
5.) 3 hours and 2 minutes before 8:40 a. m.​

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.