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Lintel Jul 9 - 15 25 questions
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Monday 9 July 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 180,000,000 in standard form

    Answer: 1.8 × 108
  2. 2. Algebra

    Factorise: x² + 7x + 12

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

    Hypotenuse = 28cm, angle = 38°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 22.06cm
  4. 4. Ratio

    £252.00 is shared between A and B in the ratio 3:4. How much does A receive?

    Answer: £108.00
  5. 5. Statistics

    The mean of 5 numbers is 39. If 4 of them are 36, 46, 24, 20, what is the missing number?

    Answer: 69

Tuesday 10 July 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 930,000,000 in standard form

    Answer: 9.3 × 108
  2. 2. Algebra

    Factorise: x² + 5x - 24

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

    Adjacent = 27cm, angle = 54°. Find opposite. Give your answer to 2 decimal places

    Answer: 37.16cm
  4. 4. Ratio

    Simplify the ratio 7m : 80cm

    Answer: 35:4
  5. 5. Statistics

    The mean of 6 numbers is 34. If 5 of them are 21, 48, 31, 49, 49, what is the missing number?

    Answer: 6

Wednesday 11 July 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000055 in standard form

    Answer: 5.5 × 10-5
  2. 2. Algebra

    Factorise: x² + 5x - 50

    Answer: (x + 10)(x - 5)
  3. 3. Geometry

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

    Answer: 16.63cm
  4. 4. Ratio

    £279.00 is shared between A and B in the ratio 5:4. How much does A receive?

    Answer: £155.00
  5. 5. Statistics

    Calculate the mean of: 27, 15, 10, 24, 38, 40. Give your answer to 2 decimal places

    Answer: 25.67

Thursday 12 July 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 770,000 in standard form

    Answer: 7.7 × 105
  2. 2. Algebra

    Factorise: x² - 3x - 40

    Answer: (x + 5)(x - 8)
  3. 3. Geometry

    Adjacent = 27cm, angle = 55°. Find opposite. Give your answer to 2 decimal places

    Answer: 38.56cm
  4. 4. Ratio

    £215.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £129.00
  5. 5. Statistics

    Calculate the mean of: 29, 41, 23, 5, 18, 7, 41, 14

    Answer: 22.25

Friday 13 July 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0077 in standard form

    Answer: 7.7 × 10-3
  2. 2. Algebra

    Factorise: x² + 12x + 32

    Answer: (x + 8)(x + 4)
  3. 3. Geometry

    Hypotenuse = 16cm, angle = 50°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 10.28cm
  4. 4. Ratio

    £400.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £250.00
  5. 5. Statistics

    The mean of 4 numbers is 30. If 3 of them are 15, 49, 49, what is the missing number?

    Answer: 7