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'.

[EX Q]: Problem: how many integers between 1 and 10 ^ 16 are such that the sum of their digits is 2 ?
Options: a ) 106 , b ) 116 , c ) 126 , d ) 136 , e ) 146
[EX A]: d

[EX Q]: Problem: 19.19 / 2000 is equal to :
Options: a ) 1.01252633 , b ) 0.01262533 , c ) 0.12526333 , d ) 0.012793333 , e ) 0.12725333
[EX A]: d

[EX Q]: Problem: a certain meter records voltage between 0 and 10 volts inclusive . if the average value of 3 recordings on the meter was 9 volts , what was the smallest possible recording in volts ?
Options: a ) 2 , b ) 3 , c ) 4 , d ) 5 , e ) 7
[EX A]:
e