Which of the following statements is/are correct?

A watch which gains uniformly is 2 minutes low at 12 PM on Monday and is 4 minute 48 sec fast at 2 PM on the following Monday. When was it correct?

A clock is set right at 8 a.m. The clock gains 10 minutes in 24 hours. What will be the true time when the clock indicates 1 p.m. on the following day?

At what angle the hands of a clock are inclined when it is half past 8?

If a clock strikes six times in 5 seconds, the number of strikes in 10 seconds is

What is the angle between the hour hand and the minute hand of a clock when the clock shows 4 hours 40 minutes?