Multiple choice

Which of the following is the tallest building of the world?

  1. Empire State, New York

  2. Burj Khalifa, Dubai

  3. Busan Lotte Tower, South Korea

  4. Xujiahui Tower, China
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Burj Khalifa in Dubai is the tallest building in the world. Standing at 828 meters (2,717 feet), it opened in 2010 and surpassed the previous record holder, Taipei 101.

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