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: 5 % people of a village in sri lanka died by bombardment , 15 % of the remainder left the village on account of fear . if now the population is reduced to 3294 , how much was it in the beginning ?
Options: a ) 2988 , b ) 2776 , c ) 4079 , d ) 2871 , e ) 881
[A]: c

[Q]: Problem: for how many integer values of n will the value of the expression 4 n + 7 be an integer greater than 1 and less than 120 ?
Options: a ) 22 , b ) 24 , c ) 26 , d ) 28 , e ) 30
[A]: e

[Q]: Problem: sophia finished 2 / 3 of a book . she calculated that she finished 90 more pages than she has yet to read . how long is her book ?
Options: a ) 229 , b ) 270 , c ) 877 , d ) 266 , e ) 281
[A]:
b