Which of the following is not a capital city?
A. Bangkok
B. Colombo
C. Dhaka
D. Shanghai

Hint: Though it is not the capital city, it is the biggest city of the country in which it is located. It is famous for the Bund. It is a famed waterfront promenade which is lined with colonial-era buildings. It is a global financial hub.

Complete Answer:
A capital city (or simply capital) is the municipality which exercises primary status in a country, state, department, province, or any other kind of administrative region. The capital is the seat of the government, which means that it is where the government's official location is. Usually, it is a city where the government's offices and other buildings are physically situated. The constitution usually designates the status of capital.

A. Bangkok is the capital of Thailand. Therefore this is not the correct answer.

B. Colombo is the capital of Sri Lanka. Therefore, this too is not the correct answer.

C. Dhaka is the capital of Bangladesh. So, this is not the correct answer either.

D. Shanghai is not a capital city. Shanghai is the biggest city in China. It is also a global financial hub. The capital of China is Beijing. Thus, this is the correct answer.

Therefore, the correct answer is Option D.

Note: Shanghai has the highest population among the urban areas in China. It is also the second most populated city in the world.
- Shanghai was originally founded as a fishing and trading town in ancient China.
- Dhaka was the capital of Bengal when it was under the Mughal rule.
- Bangkok is the most populated city of Thailand. In Thai, it is called krung Thep Maha Nakhon.
- Colombo is the capital city, as well as the financial capital of Sri Lanka.