Answer:
6 hours 45 minutes
Explanation:
Calculate the time from 9.25 pm on Monday until midnight, then add on time from midnight until 4.10 am on Tuesday, that is
9.25 pm → midnight = 2 hours 35 minutes , then
2 hours 35 minutes + 4 hours 10 minutes
= (2 + 4) + (35 + 10)
= 6 hours 45minutes