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Lintel Jan 1 - 7 25 questions
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Monday 2 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 150. What are the numbers?

    Answer: 49, 50, and 51
  2. 2. Algebra

    What is the next term? 4, 16, 64, 256, ...

    Answer: 1024
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 33cm. Find the angle

    Answer: 56.9°
  4. 4. Ratio

    Calculate 36.7% of 724

    Answer: 265.71
  5. 5. Statistics

    Find the range of: -17, 38, -10, 13, -10

    Answer: 55

Tuesday 3 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 280 + 975

    Answer: 280 + 975 = 1255
  2. 2. Algebra

    Solve: x⁄3 = 6.6666666666667

    Answer: x = 20
  3. 3. Geometry

    Opposite = 10cm, adjacent = 9cm. Calculate the angle

    Answer: 48°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 7 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 7⁄12

Wednesday 4 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 94 + ? = 173

    Answer: 79
  2. 2. Algebra

    Solve: x⁄7 = 5.5714285714286

    Answer: x = 39
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 6cm

    Answer: 13.42cm
  4. 4. Ratio

    Find 26% of 362

    Answer: 94.12
  5. 5. Statistics

    Find the range of: -18, 33, 26, 29, 2

    Answer: 51

Thursday 5 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄3 + 2⁄3 + 1⁄6

    Answer: 3⁄2
  2. 2. Algebra

    Solve: 4x = 36

    Answer: x = 9
  3. 3. Geometry

    Find the distance between (-2, -6) and (6, 7)

    Answer: 15.26
  4. 4. Ratio

    Simplify: 15:9:12

    Answer: 5:3:4
  5. 5. Statistics

    A bag has 8 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 1⁄2

Friday 6 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 788 + 890

    Answer: 788 + 890 = 1678
  2. 2. Algebra

    Solve: 6x = 24

    Answer: x = 4
  3. 3. Geometry

    Calculate the distance between (2, 9) and (5, 13)

    Answer: 5
  4. 4. Ratio

    Simplify: 16:12:24

    Answer: 4:3:6
  5. 5. Statistics

    A bag has 4 red and 6 blue balls. What is the probability of picking a red ball?

    Answer: 2⁄5