If the day after tomorrow is Sunday,what day was tomorrow's day before yesterday?

$A$ girl was born on September $6, 1970$,which happened to be a Sunday. Her birthday would have fallen again on a Sunday in:

At what time between $7$ o'clock and $8$ o'clock will the hands of a clock be in the same straight line but,not together?

If a clock started at noon,then the angle turned by the hour hand at $3:45\, PM$ is (in $^{\circ}$)

How often between $11$ $O$'clock and $12$ $O$'clock are the hands of a clock in integral number of $minutes$ apart (in $\times$)?

$A$ watch which gains uniformly is $2$ minutes slow at noon on Monday and is $4$ minutes $48$ seconds fast at $2$ p.m. on the following Monday. When was it correct?