instruction:
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'.
question:
Problem: if n is a natural number , then ( 6 n ^ 2 + 6 n ) is always divisible by 
Options: a ) 6 only , b ) 6 and 12 both , c ) 12 only , d ) 18 only , e ) 12 and 18 both
answer:
b


question:
Problem: what is the smallest integer z for which 27 ^ z > 3 ^ 24 ? 
Options: a ) 7 , b ) 8 , c ) 9 , d ) 10 , e ) 12
answer:
c


question:
Problem: if the average of 9 digits is 18 and the average of 4 of them is 8 , calculate the average of the remaining 5 numbers ? 
Options: a ) 21 , b ) 26 , c ) 27 , d ) 22 , e ) 29
answer:

b