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

[EX Q]: Problem: the average of 5 quantities is 12 . the average of 3 of them is 4 . what is the average of remaining 2 numbers ?
[EX A]: 24

[EX Q]: Problem: the ratio of the radius of two circles is 1 : 3 , and then the ratio of their areas is ?
[EX A]: 1 : 9

[EX Q]: Problem: mr . loyd wants to fence his square shaped land of 120 sqft each side . if a pole is laid every 10 ft how many poles do he need ?
[EX A]:
48