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Lintel Feb 1 - 7 25 questions
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Monday 1 February 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 67,000,000 in standard form

    Answer: 6.7 × 107
  2. 2. Algebra

    Factorise: x² + 6x - 40

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

    Hypotenuse = 39cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 23.47cm
  4. 4. Ratio

    £350.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £200.00
  5. 5. Statistics

    Calculate the mean of: 33, 5, 29, 26, 50, 31, 50

    Answer: 32

Tuesday 2 February 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000056 in standard form

    Answer: 5.6 × 10-5
  2. 2. Algebra

    Factorise: x² + 8x - 20

    Answer: (x + 10)(x - 2)
  3. 3. Geometry

    Adjacent = 19cm, angle = 46°. Find opposite. Give your answer to 2 decimal places

    Answer: 19.68cm
  4. 4. Ratio

    In ratio 11:8:5, what fraction is the second part?

    Answer: 1⁄3
  5. 5. Statistics

    Calculate the mean of: 40, 21, 17, 19, 7, 24, 41. Give your answer to 2 decimal places

    Answer: 24.14

Wednesday 3 February 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 15,000,000 in standard form

    Answer: 1.5 × 107
  2. 2. Algebra

    Factorise: x² - 3x - 54

    Answer: (x + 6)(x - 9)
  3. 3. Geometry

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

    Answer: 27.68cm
  4. 4. Ratio

    £185.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £111.00
  5. 5. Statistics

    The mean of 6 numbers is 32. If 5 of them are 31, 46, 27, 38, 17, what is the missing number?

    Answer: 33

Thursday 4 February 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 28,000 in standard form

    Answer: 2.8 × 104
  2. 2. Algebra

    Factorise: x² + 8x - 33

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

    Hypotenuse = 24cm, angle = 41°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 18.11cm
  4. 4. Ratio

    Divide 187 in the ratio 4:3:4

    Answer: 68, 51 and 68
  5. 5. Statistics

    Calculate the mean of: 25, 46, 11, 43, 38, 14, 21. Give your answer to 2 decimal places

    Answer: 28.29

Friday 5 February 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0026 in standard form

    Answer: 2.6 × 10-3
  2. 2. Algebra

    Factorise: x² - 6x - 7

    Answer: (x + 1)(x - 7)
  3. 3. Geometry

    Adjacent = 25cm, angle = 55°. Find opposite. Give your answer to 2 decimal places

    Answer: 35.7cm
  4. 4. Ratio

    Orange and purple marbles are in the ratio 8:11. What fraction of the marbles are orange?

    Answer: 8⁄19
  5. 5. Statistics

    The mean of 6 numbers is 26. If 5 of them are 17, 46, 29, 17, 38, what is the missing number?

    Answer: 9