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

Problem: what is the 149 th digit to the right of the decimal point in the decimal form of 30 / 33 ?
9

Problem: two trains of equal length , running with the speeds of 60 and 90 kmph , take 50 seconds to cross each other while they are running in the same direction . what time will they take to cross each other if they are running in opposite directions ?
6.6

Problem: a man cheats while buying as well as while selling . while buying he takes 10 % more than what he pays for and while selling he gives 20 % less than what he claims to . find the profit percent , if he sells at 10 % below the cost price of the claimed weight .

23.75 %