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

[EX Q]: Problem: two numbers are in the ratio 3 : 5 . if 9 be subtracted from each , they are in the ratio of 1 : 2 . the first number is :
[EX A]: a ) 27

[EX Q]: Problem: the area of a circular field is 17.56 hectares . find the cost of fencing it at the rate of rs . 7 per metre approximately
[EX A]: 10400

[EX Q]: Problem: two numbers are in the ratio 3 : 5 . if 9 be subtracted from each , they are in the ratio of 2 : 3 . the first number is :
[EX A]:
a ) 27