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: how many 3 - digit positive integers are there , where each digit is positive , and no 3 adjacent digits are same ? 
Options: a ) 1236 , b ) 504 , c ) 4096 , d ) 4608 , e ) 6561
answer:
b


question:
Problem: find a sum for 1 st 7 prime number ' s ? 
Options: a ) 25 , b ) 28 , c ) 58 , d ) 34 , e ) 36
answer:
c


question:
Problem: a number is doubled and 9 is added . if resultant is trebled , it becomes 69 . what is that number 
Options: a ) 7 , b ) 10 , c ) 12 , d ) 14 , e ) 15
answer:

a