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'.

[EX Q]: Problem: george baked a total of 175 pizzas for 7 straight days , beginning on saturday . he baked 3 / 5 of the pizzas the first day , and 3 / 5 of the remaining pizzas the second day . if each successive day he baked fewer pizzas than the previous day , what is the maximum number of pizzas he could have baked on wednesday ? 
Options: a ) 2 , b ) 3 , c ) 4 , d ) 6 , e ) 7
[EX A]: d

[EX Q]: Problem: what least no . must be subtracted from 50248 so that remaining no . is divisible by 20 ? 
Options: a ) 3 , b ) 2 , c ) 4 , d ) 8 , e ) 6
[EX A]: d

[EX Q]: Problem: evaluate : 55 - 12 * 3 * 2 = ? 
Options: a ) 47 , b ) 52 , c ) 32 , d ) 12 , e ) 22
[EX A]:
a