Menu
Home / General Knowledge / Inventions in the World :: Discussion

Discussion :: Inventions in the World

  1. Who invented Bifocal Lens?
    2. A.
    Alfred B. Nobel
    B.
    Thomas Alva Edison
    C.
    Benjamin Franklin
    D.
    Rudolf Diesel

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :


Write your comments here:

Be The First To Comment