Q. Rohit has a watch that gains 5 seconds in 3 minutes. It was set right at 9 a.m. in the morning. In the afternoon of the same day, when the watch indicated 4 o'clock, how much time will the watch have gained?

• A. No change
• B. 10 min
• C. (11)2/3 min
• D. 12 min

Correct Answer: C