0. 12。 The difficulty coefficient of NMET grand finale in 2022 is 0. 12. Because NMET grand finale is not too difficult, the difficulty coefficient of grand finale is 0. 12. The college entrance examination refers to the unified national examination for the enrollment of ordinary colleges and universities. The National Unified Entrance Examination for Colleges and Universities, referred to as "College Entrance Examination", is a selective examination for qualified high school graduates or candidates with equivalent academic qualifications.