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Lintel Nov 2 - 8 25 questions
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Monday 2 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.057 in standard form

    Answer: 5.7 × 10-2
  2. 2. Algebra

    Factorise: x² - x - 6

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

    Hypotenuse = 29cm, angle = 30°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 25.11cm
  4. 4. Ratio

    £154.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £110.00
  5. 5. Statistics

    The mean of 6 numbers is 30. If 5 of them are 37, 45, 25, 25, 33, what is the missing number?

    Answer: 15

Tuesday 3 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 280,000 in standard form

    Answer: 2.8 × 105
  2. 2. Algebra

    Factorise: x² - 3x - 40

    Answer: (x + 5)(x - 8)
  3. 3. Geometry

    Adjacent = 23cm, angle = 47°. Find opposite. Give your answer to 2 decimal places

    Answer: 24.66cm
  4. 4. Ratio

    Simplify the ratio 6kg : 300g

    Answer: 20:1
  5. 5. Statistics

    Calculate the mean of: 25, 48, 5, 46, 6, 11, 14. Give your answer to 2 decimal places

    Answer: 22.14

Wednesday 4 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 13,000,000 in standard form

    Answer: 1.3 × 107
  2. 2. Algebra

    Factorise: x² - 4x + 4

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

    Adjacent = 28cm, angle = 60°. Find opposite. Give your answer to 2 decimal places

    Answer: 48.5cm
  4. 4. Ratio

    Divide 144 in the ratio 1:2:1

    Answer: 36, 72 and 36
  5. 5. Statistics

    The mean of 4 numbers is 34. If 3 of them are 40, 47, 26, what is the missing number?

    Answer: 23

Thursday 5 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000069 in standard form

    Answer: 6.9 × 10-5
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Hypotenuse = 15cm, angle = 61°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 7.27cm
  4. 4. Ratio

    Red and blue marbles are in the ratio 12:5. What fraction of the marbles are red?

    Answer: 12⁄17
  5. 5. Statistics

    Calculate the mean of: 37, 50, 27, 43, 42, 16, 6. Give your answer to 2 decimal places

    Answer: 31.57

Friday 6 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 40,000 in standard form

    Answer: 4 × 104
  2. 2. Algebra

    Factorise: x² - 3x - 10

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

    Adjacent = 14cm, angle = 60°. Find opposite. Give your answer to 2 decimal places

    Answer: 24.25cm
  4. 4. Ratio

    Black and white beads are in the ratio 3:4. What fraction of the beads are black?

    Answer: 3⁄7
  5. 5. Statistics

    Calculate the mean of: 27, 29, 21, 27, 22, 50, 38, 24

    Answer: 29.75