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Lintel Apr 26 - May 2 25 questions
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Monday 26 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00097 in standard form

    Answer: 9.7 × 10-4
  2. 2. Algebra

    Factorise: x² - 15x + 56

    Answer: (x - 7)(x - 8)
  3. 3. Geometry

    Hypotenuse = 29cm, angle = 55°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 16.63cm
  4. 4. Ratio

    £160.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £100.00
  5. 5. Statistics

    The mean of 4 numbers is 26. If 3 of them are 19, 27, 31, what is the missing number?

    Answer: 27

Tuesday 27 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 34,000 in standard form

    Answer: 3.4 × 104
  2. 2. Algebra

    Factorise: x² - 2x - 63

    Answer: (x + 7)(x - 9)
  3. 3. Geometry

    Adjacent = 23cm, angle = 36°. Find opposite. Give your answer to 2 decimal places

    Answer: 16.71cm
  4. 4. Ratio

    Simplify the ratio 5 hours : 5 minutes

    Answer: 60:1
  5. 5. Statistics

    Calculate the mean of: 27, 15, 32, 32, 8, 19. Give your answer to 2 decimal places

    Answer: 22.17

Wednesday 28 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 990,000,000 in standard form

    Answer: 9.9 × 108
  2. 2. Algebra

    Factorise: x² - 4x - 60

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

    Adjacent = 20cm, angle = 50°. Find opposite. Give your answer to 2 decimal places

    Answer: 23.84cm
  4. 4. Ratio

    £280.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £160.00
  5. 5. Statistics

    Calculate the mean of: 12, 21, 49, 37, 29, 45, 35, 44

    Answer: 34

Thursday 29 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.078 in standard form

    Answer: 7.8 × 10-2
  2. 2. Algebra

    Factorise: x² + 8x - 33

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

    Hypotenuse = 33cm, angle = 50°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 21.21cm
  4. 4. Ratio

    Simplify the ratio 2m : 40cm

    Answer: 5:1
  5. 5. Statistics

    The mean of 4 numbers is 32. If 3 of them are 29, 50, 17, what is the missing number?

    Answer: 32

Friday 30 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00073 in standard form

    Answer: 7.3 × 10-4
  2. 2. Algebra

    Factorise: x² - 9x - 22

    Answer: (x + 2)(x - 11)
  3. 3. Geometry

    Adjacent = 28cm, angle = 45°. Find opposite

    Answer: 28cm
  4. 4. Ratio

    Simplify the ratio £6 : 40p

    Answer: 15:1
  5. 5. Statistics

    The mean of 4 numbers is 40. If 3 of them are 29, 38, 28, what is the missing number?

    Answer: 65