General Knowledge

Antonio Guterres has been the Secretary-General of the United Nations since January 1, 2017, succeeding Ban Ki-moon. Therefore, option A is correct.

The leader of the Shimla Deputation in 1906 was His Highness Sir Aga Khan III, not Sir Syed Ahmad Khan. The deputation consisted of 35 prominent Muslim leaders who met the Viceroy Lord Minto to demand separate electorates and greater political representation for Muslims. This event was significant in the political history of Indian Muslims and led to the formation of the All-India Muslim League. Sir Syed Ahmad Khan was an earlier Muslim reformer and educator but was not the leader of this deputation.

The Indus Water Treaty between India and Pakistan was signed in 1960. This treaty was brokered by the World Bank to manage the water distribution of the Indus River system between the two countries.

The 13th East Asia Summit was held in Singapore on 14-15 November 2018. This is confirmed by multiple authoritative sources including the official ASEAN website and Wikipedia. Therefore, the correct answer is 'Singapore' (option A). The original answer 'Laos' (option B) is incorrect, and the explanation discussing the 2010 summit is irrelevant to the question about the 13th summit.

The 2020 Summer Olympics were held in Tokyo, Japan. Although originally scheduled for 2020, the event was postponed to 2021 due to the COVID-19 pandemic but retained the name 'Tokyo 2020.'

Burj Khalifa is the tallest building in the world and it is located in Dubai, United Arab Emirates. This is a well-known fact in general knowledge about world landmarks.

The first Nobel Prize was awarded in 1901, making option A the correct answer. This is a well-documented historical fact about the Nobel Prize's inception.

South Africa uniquely has three capital cities: Pretoria (administrative), Bloemfontein (judicial), and Cape Town (legislative). This distinguishes it from the other options listed, which have a single capital city.

Blaise Pascal invented the first mechanical adding machine, known as the Pascaline, in the 17th century. The other options are known for different inventions or achievements.

J.K. Rowling is a British author, best known for writing the Harry Potter series. She was born in the United Kingdom, making option A the correct answer.