instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: by investing in 1623 % stock at 64 , one earns rs . 1500 . the investment made is
answer:
rs . 5760


question:
Problem: the marks obtained by vijay and amith are in the ratio 8 : 5 and those obtained by amith and abhishek in the ratio of 3 : 2 . the marks obtained by vijay and abhishek are in the ratio of ?
answer:
12 : 5


question:
Problem: 2 men and 4 women are lined up in a row . what is the number of cases where they stand with each other in turn ? ( the number of cases in which men ( or women ) do not stand next to each other )
answer:

4