Teeth Numbering Quiz

Numbers of permanent teeth in an adult - 10 points?
How many permanent teeth are there because i was doing a quiz and it said that the right answer was 28 and then i did another quiz and it said that 2 was the wrong number and now im confused - i need an exact answer please.
Permanent teeth in Adults. 28 plus 4 wisdom teeth, but in many cases you end up having the 4 wisdoms removed as they are not used that much, as we evolve as a species and our diet changes our bodies have grown to accept change as needed, in the species before us the adult tooth count was 72 and the bottom jaw much more pronounced, but that species used to rip the food raw from the bone and required stronger and more teeth to eat and survive,
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