At which one of the following times is the angle between the hands of a clock exactly one right angle?
At what time between 5:30 and 6:00 will the hands of a clock be at right angle?
A. 54511 minutes past 5
B. 43711 minutes past 5
C. 63 minutes past 5
D. 41 minutes past 5
Q74. At what time between 5:30 and 6:00 will the hands of a clock be at right angle?
When the time on the clock is 12:00, the angle formed between the hour and the minute hand is ____