172 - 92 + 121 - 74 =

Into which sea does the Nile River discharge its waters?  

Which strait separates Australia from Tasmania?

Identify the largest freshwater lake in the world:

What is the average density of the earth?

Which mountain range system is the highest and most extensive in Europe?

Machkund Hydroelectric Project is a joint venture of which states?

Which region of Earth's atmosphere is the coldest?

What phenomenon occurs during Equinox days?

Consider the following statements:

1. Great Nicobar is the northernmost island of the Nicobar Islands Archipelago.

The Trans-Siberian Railway connects ______ in the West to ______ in the East.