Inert gases were discovered by
Answer: B
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When was the game Frisbee invented?
Answer: C
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Inventor who invented first liquid fueled rocketry and is known as "father of modern rocketry" is
Answer: A
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Who is the inventor of printing press?
Answer: A
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Penicillin was invented by Fleming in the year
Answer: D
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When was barb wire patented?
Answer: A
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Insulin was discovered by:
Answer: C
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Who Invented Dynamite Explosive Material?
Answer: A
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Who Invented Contact Lens ?
Answer: C
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Fountain Pen Invented by ?
Answer: B
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