read and analyze if the statements express exaggeration or ironic

1.I can see the germs with my naked eyes.
2.my dad has iron hands that could lift a ten-storey building .
3.our teacher gives elna a 100% grades for falling the test.
4.I have read the books a hundred times.
5. the dentist suffers a disturbing toothache.

can someone answer this 6,7,8,9,10, for does who know​