In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: an inspector rejects 15 % of the meters as defective . how many will he examine to reject 10 ? 
Options: a ) a ) 100 , b ) b ) 66.7 , c ) c ) 250 , d ) d ) 200 , e ) e ) 160

Output: b


Input: Consider Input: Problem: 70 percent of the members of a study group are women , and 40 percent of those women are lawyers . if one member of the study group is to be selected at random , what is the probability that the member selected is a woman lawyer ? 
Options: a ) 0.28 , b ) 0.27 , c ) 0.25 , d ) 0.32 , e ) 0.35

Output: a


Input: Consider Input: Problem: what will be the compound interest on a sum of rs . 23,000 after 3 years at the rate of 12 % p . a . ? 
Options: a ) rs . 9313.34 , b ) rs . 9720 , c ) rs . 10123.20 , d ) rs . 10483.20 , e ) none


Output: a