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Lintel Jan 1 - 7 25 questions
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Monday 8 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Solve: x⁄6 = 3.1666666666667

    Answer: x = 19
  3. 3. Geometry

    Opposite = 15cm, adjacent = 10cm. Calculate the angle

    Answer: 56.3°
  4. 4. Ratio

    Calculate 39.2% of 883

    Answer: 346.14
  5. 5. Statistics

    Calculate the mean of: 49, 42, 44, 25, 5, 45

    Answer: 35

Tuesday 9 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 61 + ? = 160

    Answer: 99
  2. 2. Algebra

    Solve: 6x - 7 = 2x + 25

    Answer: x = 8
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 27cm. Find the angle

    Answer: 45.3°
  4. 4. Ratio

    Calculate 25.7% of 618

    Answer: 158.83
  5. 5. Statistics

    A spinner has 5 red, 2 blue and 4 green sections. Probability of landing on red?

    Answer: 5⁄11

Wednesday 10 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is ∛125?

    Answer: 5
  2. 2. Algebra

    What is the next term? 8, 32, 128, 512, ...

    Answer: 2048
  3. 3. Geometry

    Opposite = 14cm, adjacent = 11cm. Calculate the angle

    Answer: 51.8°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 2 blue and 4 green sections. Probability of landing on red?

    Answer: 2⁄5

Thursday 11 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: (-18) + (-18) + (-7)

    Answer: -43
  2. 2. Algebra

    Solve: x⁄4 = 2

    Answer: x = 8
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 31cm. Find the angle

    Answer: 39.3°
  4. 4. Ratio

    Calculate 28.5% of 770

    Answer: 219.45
  5. 5. Statistics

    Calculate the mean of: 32, 27, 45, 10, 43, 13

    Answer: 28.3

Friday 12 April 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 32 + ? = 108

    Answer: 76
  2. 2. Algebra

    Solve: x⁄8 = 2.625

    Answer: x = 21
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 7cm

    Answer: 9.22cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 6, 25, 22, 13, 50, 29

    Answer: 24.2