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Lintel Nov 23 - 29 25 questions
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Monday 23 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0071 in standard form

    Answer: 7.1 × 10-3
  2. 2. Algebra

    Factorise: x² - x - 20

    Answer: (x + 4)(x - 5)
  3. 3. Geometry

    Adjacent = 16cm, angle = 58°. Find opposite. Give your answer to 2 decimal places

    Answer: 25.61cm
  4. 4. Ratio

    £296.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £185.00
  5. 5. Statistics

    The mean of 5 numbers is 40. If 4 of them are 40, 44, 41, 32, what is the missing number?

    Answer: 43

Tuesday 24 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0036 in standard form

    Answer: 3.6 × 10-3
  2. 2. Algebra

    Factorise: x² - 3x - 88

    Answer: (x + 8)(x - 11)
  3. 3. Geometry

    Adjacent = 26cm, angle = 55°. Find opposite. Give your answer to 2 decimal places

    Answer: 37.13cm
  4. 4. Ratio

    Simplify: 8:8:12

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

    Calculate the mean of: 28, 9, 20, 6, 38, 8, 36, 44. Give your answer to 2 decimal places

    Answer: 23.63

Wednesday 25 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 410,000 in standard form

    Answer: 4.1 × 105
  2. 2. Algebra

    Factorise: x² + 4x - 60

    Answer: (x + 10)(x - 6)
  3. 3. Geometry

    Hypotenuse = 17cm, angle = 63°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 7.72cm
  4. 4. Ratio

    Express the second part of 4:8 as a fraction in simplest form

    Answer: 2⁄3
  5. 5. Statistics

    The mean of 4 numbers is 29. If 3 of them are 29, 22, 49, what is the missing number?

    Answer: 16

Thursday 26 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0004 in standard form

    Answer: 4 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 2

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

    Adjacent = 10cm, angle = 44°. Find opposite. Give your answer to 2 decimal places

    Answer: 9.66cm
  4. 4. Ratio

    Simplify: 18:15:12

    Answer: 6:5:4
  5. 5. Statistics

    The mean of 4 numbers is 24. If 3 of them are 26, 35, 28, what is the missing number?

    Answer: 7

Friday 27 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 770,000,000 in standard form

    Answer: 7.7 × 108
  2. 2. Algebra

    Factorise: x² + 18x + 80

    Answer: (x + 10)(x + 8)
  3. 3. Geometry

    Hypotenuse = 33cm, angle = 26°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 29.66cm
  4. 4. Ratio

    Simplify: 15:15:18

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

    Calculate the mean of: 10, 21, 29, 44, 48, 14, 29, 19

    Answer: 26.75