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  • Question
  • What charge card, developed in 1950, was the first to be approved nationally in the US?


  • Options
  • A. Discover
  • B. MasterCharge
  • C. Visa
  • D. Diner's Club

  • Correct Answer
  • Diner's Club 

    Explanation

     

    The card was established by Frank McNamara and Ralph Schneider.


  • Inventions problems


    Search Results


    • 1. Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

    • Options
    • A. Golf tee
    • B. Motorboat
    • C. Water skis
    • D. Hang glider
    • Discuss
    • 2. The cause of Beri Beri was discovered by

    • Options
    • A. Eijkman
    • B. Macmillan
    • C. Alexanderson
    • D. Cockrell
    • Discuss
    • 3. Atomic theory was devised by

    • Options
    • A. Mosley
    • B. John Dalton
    • C. Daimler
    • D. None of these
    • Discuss
    • 4. Who dicovered X-rays?
    • Discuss
    • 5. Landstrom invented

    • Options
    • A. Metallurgy
    • B. Gas Engine
    • C. Safety Match
    • D. None of these
    • Discuss
    • 6. Who invented ECG?

    • Options
    • A. Hans Berger
    • B. Einthoven
    • C. G. Bist
    • D. None of the above
    • Discuss
    • 7. Who discovered Insulin

    • Options
    • A. William Harvey
    • B. Louis Pasteur
    • C. F.G.Banting
    • D. Alexander Fleming
    • Discuss
    • 8. Analytical Engine was invented by

    • Options
    • A. Dewar
    • B. Charles Babbage
    • C. Daimler
    • D. None of these
    • Discuss
    • 9. Which insurance salesman invented the fountain pen in 1884?

    • Options
    • A. Lewis Edson Waterman
    • B. Sir William Grove
    • C. Charles Kettering
    • D. George Fountain
    • Discuss
    • 10. Air conditioner was discovered by

    • Options
    • A. Edison
    • B. Wilson
    • C. Carrier
    • D. Roentgen
    • Discuss


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