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: ( 700 + 200 ) ã — 4 ã — ( 4 + 2 ) = ? 
Options: a ) 24500 , b ) 21600 , c ) 36600 , d ) 22400 , e ) 12500
answer:
b


question:
Problem: a vessel of capacity 2 litre has 20 % of alcohol and another vessel of capacity 6 litre had 55 % alcohol . the total liquid of 8 litre was poured out in a vessel of capacity 10 litre and thus the rest part of the vessel was filled with the water . what is the new concentration of mixture ? 
Options: a ) 37 % . , b ) 71 % . , c ) 49 % . , d ) 29 % . , e ) 51 % .
answer:
a


question:
Problem: if n = 8 ^ 9 – 8 , what is the units digit of n ? 
Options: a ) 4 , b ) 0 , c ) 1 , d ) 2 , e ) 3
answer:

b