| Q.1 |
Who invented Internal Combustion Engine?
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| Q.2 |
When was Monopoly created?
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| Q.3 |
What is the Enrico Fermi invented?
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| Q.4 |
What was Elisha Otis invented?
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| Q.5 |
When was barbed wire patented?
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| Q.6 |
Which insurance salesman invented the fountain pen in 1884?
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| Q.7 |
What invention caused many deaths while testing it?
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| Q.8 |
Who invented the Spinning Jenny?
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| Q.9 |
What charge card, developed in 1950, was the first to be accepted nationally in the US?
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| Q.10 |
In which decade was the telephone invented?
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| Q.11 |
In which decade was the telegraph invented?
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| Q.12 |
In which decade were the first successful diode and triode vacuum tubes invented?
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| Q.13 |
Which scientist discovered the radioactive element radium?
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| Q.14 |
What did Galileo invent?
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| Q.15 |
Who invented Gramophone?
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| Q.16 |
What J. B. Dunlop invented?
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| Q.17 |
Who invented Jet Engine?
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| Q.18 |
Who perfected GENETIC ENGINEERING?
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| Q.19 |
What James Watt invented?
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| Q.20 |
What did George Westinghouse invent?
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