instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: a 10 % stock yields 8 % . the market value of the stock is :
answer:
rs . 125

question:
Problem: if x , y , and z are positive integers , and 3 x = 5 y = 6 z , then the least possible value of x + y + z is
answer:
21

question:
Problem: if the cost price of 18 articles is same as the selling price of 25 articles . find the gain or loss percentage ?
answer:
28 % loss