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Logic & Riddles quiz

General Knowledge Quiz Level 3: Hard

General knowledge quiz, level 3 of 5 (hard). Five quick trivia questions that get harder with every level of this difficulty ladder. Can you beat level 3? Keep score, comment your result and subscribe so you don't miss level 4! New quiz Shorts every day on Quizio: follow so you never miss one!

  • 6 questions
  • 1 min
  • 2 Easy
  • 2 Medium
  • 2 Hard

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General Knowledge Quiz Level 3: Hard: questions and answers

Try to answer first, then tap a question to see the answer.

  1. Which element has the symbol K? Krypton · Calcium · Potassium

    Potassium

  2. Which organ uses about 20% of your energy? Heart · Brain · Liver

    Brain – It's only about 2% of your body weight!

  3. In which year did World War II end? 1945 · 1944 · 1948

    1945

  4. What is the square root of 144? 14 · 12 · 11

    12

  5. Which planet is the hottest? Venus · Mercury · Mars

    Venus – Its thick clouds trap heat, so it beats Mercury!

  6. Which ocean is the deepest? Atlantic · Pacific · Indian

    Pacific