instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: a sum was put at simple interest at a certain rate for 10 years . had it been put at 5 % higher rate , it would have fetched rs . 600 more . what was the sum ?
answer:
rs . 1200


question:
Problem: how many integers n are prime numbers in the range 200 < n < 220 ?
answer:
1


question:
Problem: a man has some hens and cows . if the number of heads be 48 and the number of feet equals 136 , then the number of hens will be
answer:

2