A bag contain 25 blue marbles and 25 purple marbles. One marble is drawn at random. What is the probability that
marble is purple? Choices:
A) 1/4  B) 2/3  C) 1/2  D) 5/3  E) None of these
Explanation:   Total cases = 25 + 25= 
<gadget id="calculator">25 + 25</gadget>
<output>50</output>
50   Favourable cases= 25   So probability = 25/50 = 1/2   Answer: 1/2
<result>C</result>
A bag contain 25 blue marbles and 25 purple marbles. One marble is drawn at random. What is the probability that
marble is purple?