For whom high heeled shoes were invented?
Answer: C
King Louis XIV was very short and didn't like looking up at people he spoke to, so he had a tall pair of shoes made for him.
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Analytical Engine was invented by
Answer: A
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Gramophone
Answer: A
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Which scientist discovered the radioactive element radium?
Answer: D
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Telegrahic code was introduced by
Answer: D
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First freely programmable computer in world was build by
Answer: C
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Rocket Engine was invented by-
Answer: A
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In which decade were the first successful diode and triode vacuum tubes invented?
Answer: D
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D.D.T. was invented by
Answer: D
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Railroad locomotive was invented in
Answer: C
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