{-10, -6, -5, -4, -2.5, -1, 0, 2.5, 4, 6, 7, 10}
A number is to be selected at random from the set above. What is the probability that the number will be a solution to the equation (x-4)(x+9)(2X+5) = 0? Options.
A) 1 / 12 B) 1 / 6 C) 1 / 4 D) 1 / 3 E) 1 / 2

Rationale: x = - 2.5 prob = 1 / 12 answer - a
Answer: A