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Lintel Jan 16 - 22 25 questions
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Monday 16 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 54,000,000 in standard form

    Answer: 5.4 × 107
  2. 2. Algebra

    Factorise: x² + 4x - 12

    Answer: (x + 6)(x - 2)
  3. 3. Geometry

    Hypotenuse = 20cm, angle = 30°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 17.32cm
  4. 4. Ratio

    £144.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £48.00
  5. 5. Statistics

    Calculate the mean of: 10, 48, 24, 43, 7, 43. Give your answer to 2 decimal places

    Answer: 29.17

Tuesday 17 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.087 in standard form

    Answer: 8.7 × 10-2
  2. 2. Algebra

    Factorise: x² - 11x + 30

    Answer: (x - 5)(x - 6)
  3. 3. Geometry

    Adjacent = 12cm, angle = 56°. Find opposite. Give your answer to 2 decimal places

    Answer: 17.79cm
  4. 4. Ratio

    £115.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £69.00
  5. 5. Statistics

    The mean of 4 numbers is 39. If 3 of them are 20, 38, 33, what is the missing number?

    Answer: 65

Wednesday 18 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0084 in standard form

    Answer: 8.4 × 10-3
  2. 2. Algebra

    Factorise: x² + 16x + 60

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

    Adjacent = 25cm, angle = 47°. Find opposite. Give your answer to 2 decimal places

    Answer: 26.81cm
  4. 4. Ratio

    £150.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £50.00
  5. 5. Statistics

    The mean of 5 numbers is 25. If 4 of them are 20, 31, 39, 17, what is the missing number?

    Answer: 18

Thursday 19 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 520,000 in standard form

    Answer: 5.2 × 105
  2. 2. Algebra

    Factorise: x² + 7x - 30

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

    Hypotenuse = 36cm, angle = 28°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 31.79cm
  4. 4. Ratio

    £220.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £132.00
  5. 5. Statistics

    Calculate the mean of: 11, 22, 28, 11, 40, 34, 28. Give your answer to 2 decimal places

    Answer: 24.86

Friday 20 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0007 in standard form

    Answer: 7 × 10-4
  2. 2. Algebra

    Factorise: x² + 7x - 8

    Answer: (x + 8)(x - 1)
  3. 3. Geometry

    Adjacent = 22cm, angle = 37°. Find opposite. Give your answer to 2 decimal places

    Answer: 16.58cm
  4. 4. Ratio

    Simplify the ratio 8m : 95cm

    Answer: 160:19
  5. 5. Statistics

    The mean of 4 numbers is 35. If 3 of them are 26, 30, 38, what is the missing number?

    Answer: 46