What is the equivalent of 10°48' in time units?

Correct Answer: Option B — 43 min. 12 sec.

Applying the time-arc conversion where each degree equals 4 minutes and each minute equals 4 seconds: 10 degrees equals 40 minutes, and 48 minutes of arc multiplied by 4 seconds equals 192 seconds (3 minutes 12 seconds), yielding 43 minutes 12 seconds.