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: the least number , which when divided by 12 , 31 , 20 and 54 leaves in each case a remainder of 8 is : 
Options: a ) 448 , b ) 488 , c ) 16748 , d ) 548 , e ) 560
[EX A]: c

[EX Q]: Problem: when leo imported a certain item , he paid a 7 percent import tax on the portion of the total value of the item in excess of $ 1000 . if the amount of the import tax that leo paid was $ 87.50 , what was the total value of the item ? 
Options: a ) $ 1600 , b ) $ 1850 , c ) $ 2250 , d ) $ 2400 , e ) $ 2750
[EX A]: c

[EX Q]: Problem: a man whose bowling average is 12.4 , takes 5 wickets for 26 runs and there by decreases his average by 0.4 . the number of wickets taken by him before his last match is ? 
Options: a ) 82 , b ) 83 , c ) 84 , d ) 85 , e ) 86
[EX A]:
d