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  • Question
  • Who invented bluetooth?


  • Options
  • A. Kirkpatrick Macmillan
  • B. Benjamin Franklin
  • C. Dr. Jaap Haartsen
  • D. Charles Babbage

  • Correct Answer
  • Dr. Jaap Haartsen 

  • Tags: Bank Exams

    Inventions problems


    Search Results


    • 1. Who discovered the colour photography?

    • Options
    • A. Robert Noyce
    • B. Enrico Fermi
    • C. John Logie Baird
    • D. James Clerk Maxwell
    • Discuss
    • 2. Who invented the electrocardiogram (ECG)?

    • Options
    • A. Willem Einthoven
    • B. Edward Jenner
    • C. Antonio de Ulloa and Charles Wood
    • D. Karl Benz
    • Discuss
    • 3. Who discovered Sodium?

    • Options
    • A. Humphry Davy
    • B. William Henry Fox
    • C. J.J.Thomson
    • D. Karl Benz
    • Discuss
    • 4. Who invented the waterproof raincoat?

    • Options
    • A. Robert Hooke
    • B. Cai Lun
    • C. Charles Macintosh
    • D. William Harvey
    • Discuss
    • 5. Who discovered Penicillin?

    • Options
    • A. Edward Jenner
    • B. Niels Bohr
    • C. Sir Alexander Fleming
    • D. Heinrich Hertz
    • Discuss
    • 6. Who invented the vacuum pump?

    • Options
    • A. Otto von Guericke
    • B. Cai Lun
    • C. Melitta Bentz
    • D. William Henry Fox Talbot
    • Discuss
    • 7. Who invented logarithms?

    • Options
    • A. Eden Snowden
    • B. Larry Page
    • C. Thomas Edison
    • D. John Napier
    • Discuss
    • 8. Who discovered benzene?

    • Options
    • A. Hal Anger
    • B. Michael Faraday
    • C. Bruce Ames
    • D. Nicolas Appert
    • Discuss
    • 9. Who invented Aerosol can?

    • Options
    • A. Erik Rotheim
    • B. Erik Mathew
    • C. Erik Tim
    • D. Eric Flayer
    • Discuss
    • 10. Revolving Door was invented by ________.

    • Options
    • A. Lucien Vidi
    • B. John Venn
    • C. Theophilus Van Kannel
    • D. Lewis Urry
    • Discuss


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