Subject: mathqa
Question: in a particular state , 60 % of the counties received some rain on monday , and 65 % of the counties received some rain on tuesday . no rain fell either day in 25 % of the counties in the state . what percent of the counties received some rain on monday and tuesday ?
Option: 
A: 50 %
B: 40 %
C: 12.5 %
D: 60 %
Answer: A