The task is to generate the correct answer for a given math problem.

Problem: a 10 % stock yields 8 % . the market value of the stock is :
rs . 125

Problem: a train traveling at 72 kmph crosses a platform in 33 seconds and a man standing on the platform in 18 seconds . what is the length of the platform in meters ?
300 meters

Problem: the cash realised on selling a 14 % stock is rs . 105.25 , brokerage being 1 / 4 % is ?

105