Warren Edward Buffett(USA), chairman of Berkshire Hathaway, is the world's richest investor, estimated to be worth $53.5 billion as of march 2013.
Which of these national parks has the world's largest population of the Indian one horned Rhino ?
Which of the following makes us know the exact age of a tree ?
Where is the eastern Naval Command Headquarters ?
The parliament of Great Britain is housed in which of these buildings?
Who of the following scientists is named after ISRO in sriharikota ?