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Inventions MCQs – Mock Test 49

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Calculators Quiz – Mock Test 49 PDF Download

MCQ 241: The first mechanical calculator was invented by:

  1. Sir Robert Noyce
  2. Sir Blaise Pascal
  3. Dr Raymond Lemieux
  4. Sir Thomas Edison

MCQ 242: Invention of piano is credited to:

  1. Sir Thomas L. Wilson
  2. Sir James Hillier
  3. Sir Bartolomeo Cristofori
  4. Sir Adolph Rickenbacker

MCQ 243: In which one of the following places an electric wheelchair was invented?

  1. Spain
  2. Italy
  3. Netherlands
  4. Veterans

MCQ 244: The 3 D map-making system was invented by:

  1. Uno Vilho
  2. Dr Dennis Colonello
  3. Dr Larry wang
  4. Sir Norman Rolston

MCQ 245: Lawn sprinkler was invented by:

  1. Sir Elijah McCoy
  2. Sir Joseph Nicephore
  3. Sir William Shockley
  4. John Loudon McAdam

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