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

[EX Q]: Problem: find the fraction which has the same ratio to 2 / 3 that 3 / 5 has to 6 / 7 
Options: a ) 1 / 5 , b ) 2 / 22 , c ) 3 / 4 , d ) 7 / 15 , e ) 5 / 6
[EX A]: d

[EX Q]: Problem: a company conducted a survey about its two brands , a and b . x percent of respondents liked product a , ( x – 20 ) percent liked product b , 23 percent liked both products , and 23 percent liked neither product . what is the minimum number w of people surveyed by the company ? 
Options: a ) 46 , b ) 80 , c ) w . 90 , d ) w . 100 , e ) 200
[EX A]: d

[EX Q]: Problem: if shares of two persons in profits are rs . 400 and rs . 800 then ratio of their capitals is 
Options: a ) 3 : 4 , b ) 2 : 3 , c ) 4 : 3 , d ) 1 : 3 , e ) 1 : 2
[EX A]:
e