In this task, you need to provide the correct option for a given problem from the provided options.

[EX Q]: Problem: of the diplomats attending a summit conference , 30 speak french , 32 do not speak russian , and 20 % of the diplomats speak neither french nor russian . if 10 % of the diplomats speak both languages , then how many diplomats attended the conference ? 
Options: a ) 20 , b ) 96 , c ) 108 , d ) 120 , e ) 150
[EX A]: a

[EX Q]: Problem: if 1 tic equals 5 tacs and 2 tacs equal 8 tocs , what is the ratio of one tic to one toc ? 
Options: a ) 15 / 2 , b ) 20 / 1 , c ) 5 / 6 , d ) 3 / 10 , e ) 1 / 15
[EX A]: b

[EX Q]: Problem: in a group of 90 students , 36 are taking history , and 30 are taking statistics . if 59 students are taking history or statistics or both , then how many students are taking history but not statistics ? 
Options: a ) 9 , b ) 19 , c ) 23 , d ) 27 , e ) 29
[EX A]:
e