Who invented the waterproof raincoat?
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Who discovered the colour photography?
Amir Khusrow was the disciple of whom?
What is the capital of Austria?
Canberra is capital city of which country?
The Arabic work of al-Biruni that gave an account of the subcontinent is called __________.
Odisha's World famous Konark Sun Temple was built by
Arrest of _________ in 1930 led to angry demonstrations in streets of Peshawar.