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Answer fast — maths

Exercise and reference answers

Questions
  1. Question
    sin 30° = ?
    Correct
    1/2
    Choices
    1. 1/2
    2. 1
    3. 0
  2. Question
    12 × 12 = ?
    Correct
    144
    Choices
    1. 144
    2. 124
    3. 132
  3. Question
    √81 = ?
    Correct
    9
    Choices
    1. 9
    2. 8
    3. 7
  4. Question
    25% of 80 = ?
    Correct
    20
    Choices
    1. 20
    2. 25
    3. 15
Instructions
Tap the correct answer.
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