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Lintel Jul 8 - 14 25 questions
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Monday 8 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.045

    Answer: 4.5 × 10-2
  2. 2. Algebra

    Factorise: x² - 9x + 14

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

    Adjacent = 11cm, angle = 37°. Find opposite

    Answer: 8.3cm
  4. 4. Ratio

    Express the first part of 5:3 as a fraction in simplest form

    Answer: 58
  5. 5. Statistics

    The mean of 6 numbers is 36. If 5 of them are 19, 27, 20, 19, 19, what is the missing number?

    Answer: 112

Tuesday 9 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    69000

    Answer: 6.9 × 104
  2. 2. Algebra

    Factorise: x² + x - 42

    Answer: (x + 7)(x - 6)
  3. 3. Geometry

    Hypotenuse = 24cm, angle = 33°. Find adjacent side

    Answer: 20.cm
  4. 4. Ratio

    Express the first part of 5:2 as a fraction in simplest form

    Answer: 57
  5. 5. Statistics

    Calculate the mean of: 38, 25, 24, 36, 46, 39, 44, 30

    Answer: 35.3

Wednesday 10 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    33000

    Answer: 3.3 × 104
  2. 2. Algebra

    Factorise: x² + 5x - 14

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

    Adjacent = 27cm, angle = 36°. Find opposite

    Answer: 19.6cm
  4. 4. Ratio

    Express the first part of 6:5 as a fraction in simplest form

    Answer: 611
  5. 5. Statistics

    Calculate the mean of: 20, 21, 35, 26, 37, 49

    Answer: 31.3

Thursday 11 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.088

    Answer: 8.8 × 10-2
  2. 2. Algebra

    Factorise: x² - 6x + 8

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

    Hypotenuse = 21cm, angle = 55°. Find adjacent side

    Answer: 12cm
  4. 4. Ratio

    Divide 174 in the ratio 1:3:2

    Answer: 29, 87 and 58
  5. 5. Statistics

    The mean of 5 numbers is 36. If 4 of them are 34, 38, 22, 31, what is the missing number?

    Answer: 55

Friday 12 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    18000

    Answer: 1.8 × 104
  2. 2. Algebra

    Factorise: x² - 8x + 12

    Answer: (x - 6)(x - 2)
  3. 3. Geometry

    Adjacent = 29cm, angle = 41°. Find opposite

    Answer: 25.2cm
  4. 4. Ratio

    Simplify: 18:15:6

    Answer: 6:5:2
  5. 5. Statistics

    The mean of 4 numbers is 24. If 3 of them are 49, 44, 46, what is the missing number?

    Answer: -43