Which are the world's toughest exams to crack?

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Gaokao (China) 

The Gaokao is a standardized college entrance exam in China. It is taken by over 10 million students each year, and the results are used to determine admission to universities.  

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IIT-JEE (India) 

The IIT-JEE is a joint entrance examination for admission to undergraduate engineering programs at the Indian Institutes of Technology (IITs). 

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UPSC CSE (India) 

The UPSC CSE, also known as the IAS exam, is a civil service examination conducted by the Union Public Service Commission (UPSC) of India to recruit candidates for various civil services of the Government of India, including the Indian Administrative Service (IAS), the Indian Foreign Service (IFS), and the Indian Police Service (IPS). 

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Mensa (International) 

Mensa is an international high IQ society with members whose IQs are in the top 2% of the population. To join Mensa, one must pass a standardized IQ test.  

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CFA (International) 

The CFA exam is a professional certification exam for investment professionals. It is administered by the CFA Institute. The CFA exam is considered to be one of the most difficult exams in the financial industry, with a pass rate of around 40%.  

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CCIE (International) 

The Cisco Certified Internetworking Expert (CCIE) certification is a professional certification for network engineers. It is administered by Cisco.  

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GATE (India) 

The Graduate Aptitude Test in Engineering (GATE) is an exam conducted by the Indian Institute of Science and the seven Indian Institutes of Technology on behalf of the National Coordination Board - GATE, Ministry of Education (MoE), Government of India.  

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All Souls Prize Fellowship Exam (UK) 

The All Souls Prize Fellowship Exam is an exam for admission to the Prize Fellowship program at All Souls College, Oxford University.  

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Master Sommelier Diploma Exam (International) 

The Master Sommelier Diploma Exam is a professional certification exam for wine experts. It is administered by the Court of Master Sommeliers.  

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