What fraction of an hour elapses between 11 : 40 p.m. and 12 : 20 a.m.?
A
2/3
B
1/2
C
4/5
D
1/6
Correct Answer: 2/3
11:40pm to 12:20am = 20min + 20 min = 40 min Part of an hour elapse = 40min /60 min = 2/3