Which insurance salesman invented the fountain pen in 1884?
Lewis Edson Waterman patented the first practical fountain pen in 1884.
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On what basis Greek thinker Aristotle classified the animals for the first time?
Who was affectionately Known as the " Grand Old Man Of India"
How many legs does a butterfly have?
Which of the following was not a purpose for building Farakka Barrage?
Which one of the following is a waterborne disease?
Which political party used to have swastik symbol ?
Which of the following is NOT correct?