No
Yes , you can replace a 205 50r 16 with a 205 60 r 216. You must replace in pairs, not a single tire.
Yes, you can
Yes it can.
The '70' tire is higher, but marginally. Should work on same car.
205/60r16 205/60r16 205/60r16
The tire is taller
Of course you can.
No, it will not.
No, this is not an acceptable swap.
205-70 denotes a lower profile tire that 205-75
for instance 205/55/20 205 is 205 mm across the tire (width) 55 is 55 mm the profile 55 is a low profile tire (height of wall) And 20 is diameter or the rim ( size of the rim)
205 is the width of your tire the 65 is an aspect ratio that determines how tall the tire is compared to the width