GRE Question of the Day (February 28th)

Math

At a certain hospital, 75% of the interns receive fewer than 6 hours of sleep and report feeling tired during their shifts. At the same time, 70% of the interns who receive 6 or more hours of sleep report no feelings of tiredness. If 80% of the interns receive fewer than 6 hours of sleep, what percent of the interns report no feelings of tiredness during their shifts?

A. 6

B. 14

C. 19

D. 20

E. 81

Correct Answer - C - (click and drag your mouse to see the answer)

Question Discussion & Explanation