OAT Practice Test 5

10 free OAT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

OAT Practice Test 5Tutor mode

Question 1 of 10

Quantitative Reasoning

At Mercer Eye Clinic, 40% of patients are under 30 years old. Of the patients under 30, 25% wear contact lenses; of the patients 30 or older, 10% wear contact lenses. If a randomly chosen patient wears contact lenses, what is the probability that the patient is under 30?