The task is to generate the correct answer for a given math problem.

[EX Q]: Problem: the average of first 5 multiples of 5 is
[EX A]: 1

[EX Q]: Problem: a certain elevator has a safe weight limit of 2,000 pounds . what is the greatest possible number of people who can safely ride on the elevator at one time with the average ( arithmetic mean ) weight of half the riders being 200 pounds and the average weight of the others being 230 pounds ?
[EX A]: 9

[EX Q]: Problem: four 6 faced dice are thrown together . the probability that all the three show the same number on them is ?
[EX A]:
1 / 216