58. What is the probability of selecting a white ball from jar?
1. There are twice as many white balls as there are balls of any other color
2. There are 30 more white balls as balls of all other colors combined
According to the Answers page the correct answer is A, meaning that statement 1 is sufficient.
I believe it is not, since we don't know how many different colors are in the jar.
For example if there are 3: White=2*X, ColorA=X, ColorB=X. therefore the probability of picking a white ball is 50%.
if there are 2 balls: white=2*x and ColorA=x, the probability of picking a white ball is 75%.
Anyone who has an opinion about that?