Study the information carefully to answer the question that follow: There are 12500 graduates (male + female) in a district who are preparing for various competitive examinations. `90%` of these graduates apply for separate exams for recruitment into Railways, Bank and SSC. The respective ratio of number of applicants for only one exam, two exams and all the three exams is：16:20:9. Of those who applied, for only one exam, `12%` applied for railways, `26%`.for Banks and the remaining for -SSC. The respective male to female ratios of those applying for only Railways, only Banks and only. SSC are 7:5,8:5 and 9:7 respectively. The total number of applicants for both Railways & Banks and for both Railways &. SSC taken together equals that for both Banks & SSC. The number of applicants for both Railways & SSC exceeds that for both Railways and banks by 100_`60%` of those applying for both bank & SSC are females. The number of male sapplying for both Railways &SSC is `20%` more than for both Railways & Banks which in turn is half of that for both Bank & SSC. The, number of female applicants who applied for all the three exams is 665. What is difference between total number of male applicants for only railways exam and only SSC exam taken together and total number of female applicants for only bank exam and only SSC exam taken together?