Which is toughest exam in world??

Toughest Exams In The World Gaokao. ... IIT-JEE – Indian Institute of Technology Joint Entrance Examination. ... UPSC- Union Public Service Commission. ... Mensa. ... GRE- Graduate Record Examinations. ... CFA- Chartered Financial Analyst. ... All Souls Prize Fellowship Exam. ... Master Sommelier Diploma Exam. More items... •