instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: in a university the average age in an arts class is 21 and average age in technical class is 18 . what is the age average of university if there are 8 arts classes and 5 technical classes ?
answer:
19.85


question:
Problem: a cat chases a rat 6 hours after the rat runs . cat takes 4 hours to reach the rat . if the average speed of the cat is 90 kmph , what s the average speed of the rat ?
answer:
36 kmph


question:
Problem: the radius of the two circular fields is in the ratio 4 : 10 the area of the second field is what percent greater than the area of the first ?
answer:

84 %', 'e ) 82 %'