instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: the ratio of the present age of viju to that of aju is 7 : 2 . 4 years from now , the ratio of the ages of viju to aju will be 5 : 2 . what was viju age 5 years ago ? ( rbi assistant 2015 )
answer:
16


question:
Problem: a company pays 12.5 % dividend to its investors . if an investor buys rs . 60 shares and gets 25 % on investment , at what price did the investor buy the shares ?
answer:
30


question:
Problem: if an object travels at 9 feet per second , how many feet does it travel in one hour ?
answer:

32400