General Knowledge

In tennis, the scoring system uses terms like 'love' for zero, and '30-love' means the server has 30 points and the opponent has zero. This terminology is unique to tennis among the options provided.

September 21 is internationally recognized as the International Day of Peace, commonly referred to as World Peace Day, which promotes peace among nations and peoples.

Abu Ghraib Military Prison is located in Iraq, near Baghdad. It became widely known due to the prisoner abuse scandal during the Iraq War.

WhatsApp was incorporated by Jan Koum on February 24, 2009, but the app was officially launched later in May 2009 on the Apple App Store. The first major version, WhatsApp 2.0, was released in August 2009. Therefore, none of the given options with specific dates in February 2007, 2008, or 2009 are correct launch dates. The closest accurate launch date is May 2009, which is not listed among the options, so the correct answer is 'None'.

JAXA stands for Japan Aerospace Exploration Agency, which is the national space agency of Japan. Therefore, the correct answer is Japan.

Chichen Itza is a famous archaeological site located in Mexico, built by the Maya civilization during the Terminal Classic period. It is not located in Brazil, the USA, or Canada.

Aberdeen is known as an important UK city because it is an industrial city, a major seaport, and famously called the 'Granite City' due to its distinctive grey stone architecture. Therefore, all the options listed contribute to its significance.

In the game of Ludo, each player starts with 4 pieces that they must move around the board to reach the home area. This is a standard rule in Ludo.

The official motto of the 18th Asian Games held in Jakarta and Palembang in 2018 was 'Energy of Asia.' This motto reflects the spirit and dynamism of the participating Asian countries.

The United Nations Headquarters complex in New York was completed and officially opened in 1956, making option D the correct answer.