Question : Postage Meter was invented by
Option 1: Fyodor Pirotsky
Option 2: Arthur Pitney
Option 3: Fritz Pfleumer
Option 4: Stephen Perry
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Correct Answer: Arthur Pitney
Solution : The correct option is Arthur Pitney.
The Postage Meter, a significant invention, was pioneered by American entrepreneur and inventor Arthur Pitney. On December 9, 1901, Pitney formally filed a patent application in Stamford, Connecticut, marking the inception of the world's inaugural Postage Meter.
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Question : What was invented by Zacharias Jansen?
Option 1: Jet engine
Option 2: Radium
Option 3: Microscope
Option 4: Electric lamp
Question : Select the option that expresses the given sentence in passive voice.
The Mesopotamians invented the decimal system.
Option 1: The decimal system was invented by the Mesopotamians.
Option 2: The decimal system is invented by the Mesopotamians.
Option 3: The decimal system is an invention of the Mesopotamians.
Option 4: The decimal system has been invented by the Mesopotamians.
Question : Which of the following was invented by Sir Humphry Davy?
Option 1: Safety pin
Option 2: Steam engine
Option 3: Safety lamp
Option 4: X-rays
Question : The number system 'Zero' was invented by
Option 1: Ramanujam
Option 2: Arybhatta
Option 3: Patanjali
Option 4: An unknown person
Question : Who invented penicillin?
Option 1: Alexander Fleming
Option 2: Louis Pasreur
Option 3: Dreser
Option 4: Edward Jenner
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