A Government office wants to know the number of people using broadband is primary or secondary source needed? A School wants to see how many parents use the schools car park to pick up and drop off students Is it primary or secondary source needed?

As part of a school project, you must find out approximately how many restaurants deliver free in your local area.

As part of a school project, you must find out approximately how many restaurants deliver free in your local area. (I think they're all secondary)