## The most difficult Wi-Fi password: the Chinese cafeteria has students answering calculation questions to unblock Internet access.

• Students are asked to solve the mathematical problem in the elite of Nanhang University
• & # 39; The Wi-Fi password corresponds to the first eight digits of the math problem below & # 39; says a sign
• One student said that if a person has practiced enough, he can solve it in 30 seconds
• Answering a ridiculous-looking question is in fact a familiar set of numbers for many

Kelsey Cheng for Mailonline

The dining hall of a Chinese university is making students work harder to earn the privilege of free Wi-Fi.

The elite students of Nanjing University of Aeronautics and Astronautics in Jiangsu Province, known colloquially as Nanhang, are asked to solve a complex calculation question before they can access the protected network.

The seemingly ridiculous mathematical question was printed on a laminated sign next to the menus that listed the various foods at the Xinyuan ethnic restaurant on campus.

& # 39; The Wi-Fi password corresponds to the first eight digits of the mathematical problem shown below & # 39;, the sign is indicated in Chinese.

Students of the elite Nanjing University of Aeronautics and Astronautics are asked to solve a complex calculation question before they can access the protected network. & # 39; The Wi-Fi password corresponds to the first eight digits of the mathematical problem below & # 39;, the sign is indicated in Chinese

The seemingly ridiculous mathematical question was printed on a laminated sign next to the menus that listed the various foods in the Xinyuan ethnic restaurant on the school campus.

Ji Jun, deputy director of the university's food administration department, told Beijing News that it is a basic question in additional mathematics.

"If a student can not solve it, he really should study more," he said. & # 39; Do not use the Internet! & # 39;

The school decided to ask the question so that students have fun with math and to remind first-year students to study hard, he added.

One student told reporters that if a person has practiced enough, they should be able to solve the equation in 30 seconds.

Can you solve the question in 30 seconds? The answer is actually a family number for many

Since they were published, Chinese social networks were set ablaze by the question of mathematics, and many network users speculated on what the answer might be.

Others surrendered immediately: "I do not deserve to use Wi-Fi … instead I will go to school," said one.

Some published images of their responses online, complete with steps that show their work. The answer, which is a family number for many, is actually 31415926, or pi.