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Logic & Riddles quiz

Math Quiz: 99% Fail Question 1

Math quiz: 99% fail question 1! Four math traps that fool almost everyone: half of half, rising and falling prices, average speed and order of operations. Comment what you answered for question 1 and what your score was, then try Part 1 and Part 2 of the math trap quiz on the channel!

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

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Math Quiz: 99% Fail Question 1: questions and answers

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

  1. What is half of half of 200? 100 · 25 · 50

    50

  2. A price rises 10%, then drops 10%. Compared to the start it is... Higher · Lower · Same

    Lower – 100 becomes 110, then 99!

  3. You drive 60 km/h there and 40 km/h back. Average speed? 50 · 48 · 45

    48 – It's not 50 because you spend more time at the slow speed!

  4. What is 0.1 plus 0.2 times 10? 3 · 2.1 · 0.9

    2.1

  5. What is 1/2 + 1/3? 5/6 · 2/5 · 2/3

    5/6