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Lintel Jun 16 - 22 25 questions
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Monday 16 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 96,000,000 in standard form

    Answer: 9.6 × 107
  2. 2. Algebra

    Factorise: x² + 4x - 5

    Answer: (x + 5)(x - 1)
  3. 3. Geometry

    Hypotenuse = 24cm, angle = 55°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 13.77cm
  4. 4. Ratio

    Simplify the ratio 5 litres : 250 ml

    Answer: 20:1
  5. 5. Statistics

    The mean of 4 numbers is 23. If 3 of them are 49, 18, 19, what is the missing number?

    Answer: 6

Tuesday 17 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000067 in standard form

    Answer: 6.7 × 10-5
  2. 2. Algebra

    Factorise: x² - 5x - 36

    Answer: (x + 4)(x - 9)
  3. 3. Geometry

    Adjacent = 30cm, angle = 30°. Find opposite. Give your answer to 2 decimal places

    Answer: 17.32cm
  4. 4. Ratio

    Simplify the ratio 1 litre : 900 ml

    Answer: 10:9
  5. 5. Statistics

    Calculate the mean of: 36, 39, 14, 16, 29, 15, 26

    Answer: 25

Wednesday 18 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00092 in standard form

    Answer: 9.2 × 10-4
  2. 2. Algebra

    Factorise: x² - 4x - 77

    Answer: (x + 7)(x - 11)
  3. 3. Geometry

    Adjacent = 30cm, angle = 44°. Find opposite. Give your answer to 2 decimal places

    Answer: 28.97cm
  4. 4. Ratio

    Orange, purple and pink beads are in the ratio 6:2:9. What fraction of the beads are pink?

    Answer: 9⁄17
  5. 5. Statistics

    Calculate the mean of: 41, 26, 20, 31, 29, 30

    Answer: 29.5

Thursday 19 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 2,700,000 in standard form

    Answer: 2.7 × 106
  2. 2. Algebra

    Factorise: x² - 3x - 18

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

    Hypotenuse = 35cm, angle = 44°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 25.18cm
  4. 4. Ratio

    £387.00 is shared between A and B in the ratio 4:5. How much does A receive?

    Answer: £172.00
  5. 5. Statistics

    The mean of 4 numbers is 36. If 3 of them are 22, 37, 47, what is the missing number?

    Answer: 38

Friday 20 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000076 in standard form

    Answer: 7.6 × 10-5
  2. 2. Algebra

    Factorise: x² + 6x - 40

    Answer: (x + 10)(x - 4)
  3. 3. Geometry

    Adjacent = 22cm, angle = 44°. Find opposite. Give your answer to 2 decimal places

    Answer: 21.25cm
  4. 4. Ratio

    In ratio 11:7:4, what fraction is the first part?

    Answer: 1⁄2
  5. 5. Statistics

    Calculate the mean of: 14, 23, 5, 19, 6, 33. Give your answer to 2 decimal places

    Answer: 16.67