Tag: math & puzzles

Questions Related to math & puzzles

  1. Automatic teller machine

  2. Time-lock safe

  3. Burglar alarm

  4. Pay telephone


Correct Option: D
  1. Sir Alexander Graham Bell

  2. Michael Faraday

  3. Alfred B. Nobel

  4. Thomas Alva Edison


Correct Option: B
  1. Leonardo DaVinci

  2. The Wright brothers

  3. Francis Rogallo

  4. Galileo


Correct Option: B
  1. Electric Drill

  2. Electric Shaver

  3. Electric Fence

  4. Electric Heater


Correct Option: A
  1. Thomas Edison

  2. John Kruesi

  3. Jules Levy

  4. Alexander Graham Bell


Correct Option: B