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Lintel Jul 4 - 10 25 questions
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Monday 4 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    710000

    Answer: 7.1 × 105
  2. 2. Algebra

    Factorise: x² - 9x + 14

    Answer: (x - 7)(x - 2)
  3. 3. Geometry

    Hypotenuse = 36cm, angle = 43°. Find adjacent side

    Answer: 26.3cm
  4. 4. Ratio

    Express the first part of 6:2 as a fraction in simplest form

    Answer: 34
  5. 5. Statistics

    Calculate the mean of: 38, 44, 30, 14, 18, 39, 13

    Answer: 28

Tuesday 5 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.009

    Answer: 9 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 2

    Answer: (x + 2)(x - 1)
  3. 3. Geometry

    Adjacent = 12cm, angle = 57°. Find opposite

    Answer: 18.5cm
  4. 4. Ratio

    Divide 165 in the ratio 4:3:4

    Answer: 60, 45 and 60
  5. 5. Statistics

    The mean of 5 numbers is 33. If 4 of them are 29, 44, 19, 42, what is the missing number?

    Answer: 31

Wednesday 6 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    860000

    Answer: 8.6 × 105
  2. 2. Algebra

    Factorise: x² + 3x - 28

    Answer: (x + 7)(x - 4)
  3. 3. Geometry

    Hypotenuse = 25cm, angle = 35°. Find adjacent side

    Answer: 20.5cm
  4. 4. Ratio

    Simplify: 4:6:4

    Answer: 2:3:2
  5. 5. Statistics

    The mean of 6 numbers is 32. If 5 of them are 28, 31, 31, 19, 34, what is the missing number?

    Answer: 49

Thursday 7 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.055

    Answer: 5.5 × 10-2
  2. 2. Algebra

    Factorise: x² - 12x + 35

    Answer: (x - 7)(x - 5)
  3. 3. Geometry

    Adjacent = 11cm, angle = 45°. Find opposite

    Answer: 11cm
  4. 4. Ratio

    Simplify: 9:15:18

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

    Calculate the mean of: 27, 41, 16, 28, 49, 31, 50

    Answer: 34.6

Friday 8 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.048

    Answer: 4.8 × 10-2
  2. 2. Algebra

    Factorise: x² - 11x + 28

    Answer: (x - 7)(x - 4)
  3. 3. Geometry

    Adjacent = 16cm, angle = 55°. Find opposite

    Answer: 22.9cm
  4. 4. Ratio

    Express the first part of 3:2 as a fraction in simplest form

    Answer: 35
  5. 5. Statistics

    Calculate the mean of: 30, 42, 39, 49, 13, 36

    Answer: 34.8