Question 1649 : How many times the AC must have been turned off between 11:01 pm and 1:59 am?
Video Explanation
Explanatory Answer
From this alone, we can answer the first question:
The AC was turned off for only two instances between 11:01 pm and 1:59 am:
Once at 0:00 and once at 1:00
Therefore, Option B is the correct answer.