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: the number 0.8 is how much greater than 1 / 8 ? 
Options: a ) ½ , b ) 27 / 40 , c ) 1 / 50 , d ) 1 / 500 , e ) 2 / 500
[A]: b


[Q]: Problem: the average of first three prime numbers greater than 5 is ? 
Options: a ) 12.6 , b ) 12.9 , c ) 22.3 , d ) 10.3 , e ) 12.7
[A]: d


[Q]: Problem: every year an amount increases by 1 / 8 th of itself . how much will it be after two years if its present value is rs . 51200 ? 
Options: a ) 81000 , b ) 81028 , c ) 27772 , d ) 29889 , e ) 64800
[A]:
e