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Lintel Jan 1 - 7 25 questions
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Monday 7 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 260, 184, and 95

    Answer: 539
  2. 2. Algebra

    Solve: x6 = 5

    Answer: x = 30
  3. 3. Geometry

    Opposite = 13cm, adjacent = 18cm. Calculate the angle

    Answer: 35.8°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 50, 41, 36, 34, 50, 45, 41

    Answer: 42.4

Tuesday 8 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 276 + 622

    Answer: 276 + 622 = 898
  2. 2. Algebra

    Solve: x5 = 7.6

    Answer: x = 38
  3. 3. Geometry

    Opposite = 15cm, adjacent = 14cm. Calculate the angle

    Answer: 47°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 6 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 611

Wednesday 9 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 147. What are the numbers?

    Answer: 48, 49, and 50
  2. 2. Algebra

    Solve: 10x - 7 = 5x + 23

    Answer: x = 6
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 35cm. Find the angle

    Answer: 51.1°
  4. 4. Ratio

    Calculate 24.2% of 577

    Answer: 139.63
  5. 5. Statistics

    Find the range of: 1, 27, -9, -16, 8

    Answer: 43

Thursday 10 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 126. What are the numbers?

    Answer: 41, 42, and 43
  2. 2. Algebra

    Solve: 5x = 35

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 9cm

    Answer: 12.04cm
  4. 4. Ratio

    Calculate 42.5% of 897

    Answer: 381.23
  5. 5. Statistics

    Find the range of: 41, 14, -24, 12, 40

    Answer: 65

Friday 11 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 393 + 221

    Answer: 393 + 221 = 614
  2. 2. Algebra

    Factorise fully: 6x² + 8x

    Answer: 2x(3x + 4)
  3. 3. Geometry

    Find the distance between (-4, -1) and (4, 11)

    Answer: 14.42
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 5 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 513