Tag: math & puzzles

Questions Related to math & puzzles

Who invented Fountain Pen?
general knowledge math & puzzles

  1. John J. Loud

  2. Sir Frank Whittle

  3. Lewis E. Waterman

  4. Kirkpatrick Macmillan

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Correct Option: C

Who invented Electronic Computer?

general knowledge math & puzzles

  1. Dr. Alan M. Turing

  2. Sir Frank Whittle

  3. Lewis E. Waterman

  4. Evangelista Torricelli

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Correct Option: A

Who invented Gramophone?
general knowledge math & puzzles

  1. Michael Faraday

  2. Fahrenheit

  3. Sir Alexander Graham Bell

  4. Thomas Alva Edison

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Correct Option: D

Who invented Dynamite?
general knowledge math & puzzles

  1. Sir Alexander Graham Bell

  2. Benjamin Franklin

  3. Thomas Alva Edison

  4. Alfred B. Nobel

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Correct Option: D

Who invented Bifocal Lens?

general knowledge math & puzzles

  1. Alfred B. Nobel

  2. Thomas Alva Edison

  3. Benjamin Franklin

  4. Rudolf Diesel

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Correct Option: C

Nitrogen constitutes what percentage of the atmosphere?
general knowledge math & puzzles

  1. 0.79

  2. 0.42

  3. 0.56

  4. 0.18

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Correct Option: A

What is the name given to the respiratory holes on the surface of a leaf?
general knowledge math & puzzles

  1. Chlorophyll

  2. Stomata

  3. Tendrils

  4. Pits

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Correct Option: B

Which gas in the atmosphere saves us from the UV rays of the sun?

general knowledge math & puzzles

  1. Nitrogen

  2. Ozone

  3. Oxygen

  4. Carbon Monoxide

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Correct Option: B

Who invented the miner's safety-lamp?
general knowledge math & puzzles

  1. Sir Humphrey Davy

  2. Sir Frank Whittle

  3. Alexander Graham Bell

  4. Thomas Alva Edison

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Correct Option: A

Which planet is known as the Red Planet?
general knowledge math & puzzles

  1. Mercury

  2. Mars

  3. Earth

  4. Jupiter

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Correct Option: B