Indian Institute of Foreign Trade 2011 Solved Paper

In the 1st and 2nd sentence only 'above' is common and hence, 'above' is coded 'fop'
In the 1st and the 3rd sentence only 'traders' is common and hence, traders is coded as 'aop'
In the 2nd and the 3rd sentence only 'developers' are common and hence, 'developers' is coded as 'bop'.
In the 1st and the 4th sentence only, 'laws' is common and hence, 'laws' is coded 'eop'.
In the 1st sentence only 'are' is yet to be coded and hence, 'are' is coded as 'lop'
In the 2nd and the 4th sentence only 'were' is common and hence, 'were' is code as 'cop'.
In the 2nd sentence only 'profitable' is yet to be coded and hence is coded as 'gop'
In the 3rd and the 4th sentence only 'following' is common and hence is coded as 'uop'
In the 3rd and the 4the sentence the only words remaining to be coded are 'stopped' and 'maps' and hence, they are coded as 'qop' and 'jop'
Thus, the code word for ‘Developers are following laws’ can be ‘lop bop eop uop’.
Hence, option B is the correct answer.