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Lintel Feb 27 - Mar 4 25 questions
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Monday 27 February 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0089 in standard form

    Answer: 8.9 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 90

    Answer: (x + 10)(x - 9)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 41°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 29.43cm
  4. 4. Ratio

    £192.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £72.00
  5. 5. Statistics

    Calculate the mean of: 19, 19, 31, 36, 49, 46, 50, 26

    Answer: 34.5

Tuesday 28 February 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000069 in standard form

    Answer: 6.9 × 10-5
  2. 2. Algebra

    Factorise: x² + x - 12

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

    Hypotenuse = 38cm, angle = 30°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 32.91cm
  4. 4. Ratio

    £360.00 is shared between A and B in the ratio 4:5. How much does A receive?

    Answer: £160.00
  5. 5. Statistics

    Calculate the mean of: 12, 30, 46, 48, 50, 35, 10

    Answer: 33

Wednesday 29 February 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 83,000,000 in standard form

    Answer: 8.3 × 107
  2. 2. Algebra

    Factorise: x² + 22x + 120

    Answer: (x + 12)(x + 10)
  3. 3. Geometry

    Adjacent = 22cm, angle = 39°. Find opposite. Give your answer to 2 decimal places

    Answer: 17.82cm
  4. 4. Ratio

    Black, white and yellow sweets are in the ratio 4:5:4. What fraction of the sweets are white?

    Answer: 5⁄13
  5. 5. Statistics

    The mean of 5 numbers is 37. If 4 of them are 47, 38, 27, 50, what is the missing number?

    Answer: 23

Thursday 1 March 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000065 in standard form

    Answer: 6.5 × 10-5
  2. 2. Algebra

    Factorise: x² - 2x - 35

    Answer: (x + 5)(x - 7)
  3. 3. Geometry

    Adjacent = 16cm, angle = 38°. Find opposite. Give your answer to 2 decimal places

    Answer: 12.5cm
  4. 4. Ratio

    Orange, purple and pink marbles are in the ratio 7:2:6. What fraction of the marbles are pink?

    Answer: 2⁄5
  5. 5. Statistics

    The mean of 5 numbers is 35. If 4 of them are 32, 17, 49, 33, what is the missing number?

    Answer: 44

Friday 2 March 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 3,800,000 in standard form

    Answer: 3.8 × 106
  2. 2. Algebra

    Factorise: x² - 3x - 4

    Answer: (x + 1)(x - 4)
  3. 3. Geometry

    Hypotenuse = 35cm, angle = 48°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 23.42cm
  4. 4. Ratio

    £204.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £136.00
  5. 5. Statistics

    The mean of 6 numbers is 36. If 5 of them are 47, 24, 22, 46, 36, what is the missing number?

    Answer: 41