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: an italian sausage is 8 inches long . how many pieces of sausage can be cut from the 8 - inch piece of sausage if each piece is to be 2 / 3 of an inch ? 
Options: a ) 12 , b ) 32 , c ) 22 , d ) 15 , e ) 20
[EX A]: a

[EX Q]: Problem: there are two numbers . if 20 % of the first number is added to the second number , then the second number increases to its 5 - fourth . what is the ratio of the first number to the second number ? 
Options: a ) 2 : 9 , b ) 3 : 8 , c ) 8 : 5 , d ) 5 : 4 , e ) 7 : 3
[EX A]: d

[EX Q]: Problem: the mean of 50 observations was 36 . it was found later that an observation 47 was wrongly taken as 23 . the corrected new mean is 
Options: a ) 35.24 , b ) 36.16 , c ) 36.22 , d ) 36.48 , e ) none
[EX A]:
d