<div>The Graduate Management Admission Council (GMAC) today announced trimming of GMAT exam time by 30 minutes to 3.5 hours beginning April 16 worldwide.&nbsp;</div>''<div><br />''</div>''<div>In a statement, GMAC said, the quality of the exam remains unchanged in terms of reliability, validity, security and integrity.</div>''<div><br />''</div>''<div>The Graduate Management Admission Test (GMAT) scores before and after this change will be the same and comparable across time.</div>''<div><br />''</div>''<div>The GMAT exam is required for admissions in business schools and nine out of 10 new MBA enrollments globally are made using a GMAT score.</div>''<div><br />''</div>''<div>The GMAC is a global non-profit association of 223 graduate business schools. It owns and administers the GMAT exam, used by more than 7,000 graduate programs worldwide.</div>