Unable to answer "How many steps are here?" – Steps – way/168955325 via StreetComplete 58.2:

This particular section is not the stairs.
It's asphalt pedestrian path.
Photo 1 is facing west.
The actual stairs are split in 4 sections.
Only the southmost is currently on the map.
Photo 2 is facing south, from the same point as photo 1.
Photo 3 is facing west. This is the 4th section with 4 steps, closest to the bridge.

Attached photo(s):
https://westnordost.de/p/228827.jpg
https://westnordost.de/p/228828.jpg
https://westnordost.de/p/228829.jpg

Unable to answer "Which customers visit this hairdresser?" – Stijlvol haar & meer (Hairdresser) – node/2878230682 via StreetComplete 58.2:

It's a residential property, the hairdresser is across the street, in number 35.

Attached photo(s):
https://westnordost.de/p/226140.jpg

Here's a paved pedestrian path, which is currently not on the map.
The photo is facing north-east.

via StreetComplete 58.2

Attached photo(s):
https://westnordost.de/p/226123.jpg

One more paved pedestrian path to add.
The photo facing north-east.

via StreetComplete 58.2

Attached photo(s):
https://westnordost.de/p/226124.jpg

Unable to answer "Is this still here?" – Arbeidsdeskundig adviesbureau Adri Goossens (Consultancy Office) – node/2878229246 via StreetComplete 58.2:

Looks like it's a residential property now.

Unable to answer "Is this still here?" – Goud uit de Zee (Restaurant) – node/4343190169 via StreetComplete 57.4:

This place is also occupied by Menara restaurant.

Unable to answer "Is this still here?" – Honorair Consulaat van de Republiek Armenië (Consulate) – node/2879020434 via StreetComplete 58.0:

Hard to tell what is located here now.
But according to this: https://www.government.nl/topics/embassies-consulates-and-other-representations/overview-countries-and-regions/armenia/embassy-of-the-republic-of-armenia-s-gravenhage Armenian consulate is no longer in Hilversum.

Unable to answer "What type of bicycle parking is this?" – Bicycle Parking – way/1172193837 via StreetComplete 58.0:

This parking has both wheelbender and two tier racks.

Attached photo(s):
https://westnordost.de/p/220891.jpg

Unable to answer "How many steps are here?" – Steps – way/1292172659 via StreetComplete 58.0:

This stairs have a gap in the middle, splitting it into two sections 14 steps each.

Attached photo(s):
https://westnordost.de/p/218085.jpg

Unable to answer "Is there a shelter at this stop?" – Violenstraat (Bus Stop) – node/1360238586 via StreetComplete 58.1:

This bus stop should be moved more to southwest, near the building 96A on Neuweg.
Photo is taken from the southern entrance to the playground area next to 96A, facing east.

Attached photo(s):
https://westnordost.de/p/222609.jpg