instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: a certain experimental mathematics program was tried out in 2 classes in each of 38 elementary schools and involved 44 teachers . each of the classes had 1 teacher and each of the teachers taught at least 1 , but not more than 3 , of the classes . if the number of teachers who taught 3 classes is n , then the least and greatest possible values of n , respectively , are
answer:
0 and 16


question:
Problem: 90 % of the population of a village is 36000 . the total population of the village is ?
answer:
4000


question:
Problem: in simple interest what sum amounts of rs . 1120 / - in 4 years and rs . 1200 / - in 5 years ?
answer:

rs . 800