instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: two cubes have their volumes are in the ratio 1 : 27 . find the ratio of their surface area ?
answer:
1 : 9', 'd ) 2 : 7', 'e ) 3 : 11'


question:
Problem: how many numbers between 400 and 1000 can be made with the digits 2 , 3,4 , 5,6 and 0 ?
answer:
60


question:
Problem: a bag consists of 20 marbles , of which 5 are blue , 7 are red , and the remainder are white . if lisa is to select a marble from the bag at random , what is the probability that the marble will be red or white ?
answer:

3 / 4