TASK DEFINITION: In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: 0.002 x 0.6 = ? 
Options: a ) 0.0012 , b ) 0.001 , c ) 0.01 , d ) 0.1 , e ) none of these

SOLUTION: a

PROBLEM: Problem: the tax on a commodity is diminished by 40 % but its consumption is increased by 25 % . find the decrease percent in the revenue derived from it ? 
Options: a ) 18 % , b ) 72 % , c ) 25 % , d ) 12 % , e ) 52 %

SOLUTION: c

PROBLEM: Problem: the sum of the first 50 positive even integers is 2550 . what is the sum of the even integers from 502 to 600 inclusive ? 
Options: a ) 23,550 , b ) 27,550 , c ) 31,550 , d ) 35,550 , e ) 39,550

SOLUTION:
b