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Lintel Aug 5 - 11 25 questions
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Monday 5 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    86000000

    Answer: 8.6 × 107
  2. 2. Algebra

    Factorise: x² + 3x - 4

    Answer: (x + 4)(x - 1)
  3. 3. Geometry

    Adjacent = 10cm, angle = 58°. Find opposite

    Answer: 16cm
  4. 4. Ratio

    Divide 210 in the ratio 1:2:4

    Answer: 30, 60 and 120
  5. 5. Statistics

    Calculate the mean of: 37, 23, 10, 39, 34, 23, 45

    Answer: 30.1

Tuesday 6 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0065

    Answer: 6.5 × 10-3
  2. 2. Algebra

    Factorise: x² + 3x - 18

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

    Hypotenuse = 40cm, angle = 37°. Find adjacent side

    Answer: 31.9cm
  4. 4. Ratio

    Express the first part of 4:3 as a fraction in simplest form

    Answer: 47
  5. 5. Statistics

    Calculate the mean of: 31, 48, 33, 13, 25, 43, 19

    Answer: 30.3

Wednesday 7 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    530000

    Answer: 5.3 × 105
  2. 2. Algebra

    Factorise: x² - 6x + 8

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

    Adjacent = 17cm, angle = 31°. Find opposite

    Answer: 10.2cm
  4. 4. Ratio

    Simplify: 4:6:12

    Answer: 2:3:6
  5. 5. Statistics

    The mean of 5 numbers is 32. If 4 of them are 26, 33, 32, 19, what is the missing number?

    Answer: 50

Thursday 8 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    57000

    Answer: 5.7 × 104
  2. 2. Algebra

    Factorise: x² - 7x + 10

    Answer: (x - 2)(x - 5)
  3. 3. Geometry

    Adjacent = 23cm, angle = 34°. Find opposite

    Answer: 15.5cm
  4. 4. Ratio

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

    Answer: 38
  5. 5. Statistics

    The mean of 5 numbers is 27. If 4 of them are 37, 41, 16, 34, what is the missing number?

    Answer: 7

Friday 9 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.007

    Answer: 7 × 10-3
  2. 2. Algebra

    Factorise: x² + 4x - 21

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

    Hypotenuse = 31cm, angle = 59°. Find adjacent side

    Answer: 16cm
  4. 4. Ratio

    Divide 96 in the ratio 1:1:2

    Answer: 24, 24 and 48
  5. 5. Statistics

    Calculate the mean of: 24, 38, 50, 37, 31, 9, 22, 47

    Answer: 32.3