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: a batsman makes a score of 100 runs in the 11 th inning and thus increases his average by 5 . find his average after 11 th inning .
Options: a ) 40 , b ) 50 , c ) 62 , d ) 45 , e ) 56
answer:
b

question:
Problem: if a : b = 2 : 3 , b : c = 4 : 5 and c : d = 5 : 9 then a : d is equal to :
Options: a ) 11 : 17 , b ) 8 : 27 , c ) 5 : 9 , d ) 2 : 9 , e ) none
answer:
b

question:
Problem: the total population of city a and city b is 5000 more than the total population of city b and city c . how much lesser is the population in city c as compared to city a ?
Options: a ) 8500 , b ) 3500 , c ) 4500 , d ) 5000 , e ) 1500
answer:
d