What occurs twice in a week, once in a year but never in a day?

Take one out and scratch my head, I am now black but once was red. What am I?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What does this say?

XLR8

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?