Who was the first top ranking Indian official to visit China after changes in Communist Party of China?

What is the total height of ‘Burj Khalifa’ Tower in Dubai?

The British established their first factory in Surat with the permission of _________.

A compact disc (CD) is a type of _____________ storage media. 

The stranger gas is also known as___________.

Which of the following does not involve in the study of microeconomics?