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'.

[Q]: Problem: i chose a number and divide it by 8 . then i subtracted 100 from the result and got 6 . what was the number i chose ? 
Options: a ) 600 , b ) 700 , c ) 800 , d ) 900 , e ) 848
[A]: e


[Q]: Problem: for a certain exam , a score of 60 was 2 standard deviations below mean and a score of 100 was 3 standard deviations above mean . what was the mean score for the exam ? 
Options: a ) 74 , b ) 76 , c ) 78 , d ) 80 , e ) 82
[A]: b


[Q]: Problem: what is the average of 120 , 130 , 140 , 510 , 520 , 530 , 1115 , 1120 , and 1125 ? 
Options: a ) 419 , b ) 551 , c ) 601 , d ) 590 , e ) 721
[A]:
d