There are two positive integers a and b.What is the probability that a+b is odd/
Answers
A) 3/2 B) 6/7 C) 1/2 D) 7/2 E) 4/5
s=adding two numbers is (even+even),(even+odd),(odd+odd),(odd+even)   n(s)=4   e=(even+odd),(odd+even) are the points in the event.   n(e)=2   p(e)=n(e)/n(s)   =2/4   =1/2   Answer is option 1/2
<result>C</result>
There are two positive integers a and b.What is the probability that a+b is odd/