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 males applying 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. The sum of female applicants for only railways and male applicants taking both exams for banks & SSC is what per cent less than the sum of male applicants taking both exams for railways & banks and female applicants taking both exams for banks & SSC?