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Lintel Jan 1 - 7 25 questions
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Monday 1 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 38 + 16

    Answer: 1324
  2. 2. Algebra

    What is the next term? 6, 18, 54, 162, ...

    Answer: 486
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 30cm. Find the angle

    Answer: 66.4°
  4. 4. Ratio

    Find 27% of 379

    Answer: 102.33
  5. 5. Statistics

    A bag has 6 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 613

Tuesday 2 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 993 + 624

    Answer: 1617
  2. 2. Algebra

    Solve: 5x - 12 = 3x + -4

    Answer: x = 4
  3. 3. Geometry

    Opposite = 19cm, adjacent = 10cm. Calculate the angle

    Answer: 62.2°
  4. 4. Ratio

    Find 41% of 240

    Answer: 98.4
  5. 5. Statistics

    A bag has 3 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 38

Wednesday 3 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 182, 197, and 87

    Answer: 466
  2. 2. Algebra

    Solve: 4x + 4 = 2x - 2

    Answer: x = 3
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 31cm. Find the angle

    Answer: 52.2°
  4. 4. Ratio

    Simplify: 20:8:20

    Answer: 5:2:5
  5. 5. Statistics

    Find the range of: -20, 42, 48, -1, 17

    Answer: 68

Thursday 4 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 5√2 - 2√2

    Answer: 3√2
  2. 2. Algebra

    Solve: x4 = 7.5

    Answer: x = 30
  3. 3. Geometry

    Find c if a = 14cm and b = 10cm in a right triangle

    Answer: 17.2cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 4 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 47

Friday 5 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 105. What are the numbers?

    Answer: 34, 35, and 36
  2. 2. Algebra

    Expand: 3(3x + 9)

    Answer: 9x + 27
  3. 3. Geometry

    Calculate perimeter: two sides are 8cm and 9cm at right angles

    Answer: 29cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: -21, 28, -13, 0, -27

    Answer: 55