Answer: See explanation
Explanation:
To convert from 12 hours time to 24 hours time, we've to add 12 to it in the afternoon. Also, the 12 hours clock uses a.m and p.m while the 24 hours doesn't
i. 7:20 am = 07:20
ii. 3:25 pm = 15:25
iii. 1:16 pm = 13:16
iv. 12:51 am = 00:51