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Lintel Jun 17 - 23 25 questions
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Monday 17 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00026 in standard form

    Answer: 2.6 × 10-4
  2. 2. Algebra

    Factorise: x² - 6x - 7

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

    Adjacent = 22cm, angle = 30°. Find opposite. Give your answer to 2 decimal places

    Answer: 12.7cm
  4. 4. Ratio

    £186.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £62.00
  5. 5. Statistics

    Calculate the mean of: 6, 9, 41, 6, 8, 42, 38. Give your answer to 2 decimal places

    Answer: 21.43

Tuesday 18 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0045 in standard form

    Answer: 4.5 × 10-3
  2. 2. Algebra

    Factorise: x² - 2x - 120

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

    Adjacent = 28cm, angle = 55°. Find opposite. Give your answer to 2 decimal places

    Answer: 39.99cm
  4. 4. Ratio

    £125.00 is shared between A and B in the ratio 2:3. How much does A receive?

    Answer: £50.00
  5. 5. Statistics

    Calculate the mean of: 32, 5, 38, 28, 10, 14, 31. Give your answer to 2 decimal places

    Answer: 22.57

Wednesday 19 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 5,700,000 in standard form

    Answer: 5.7 × 106
  2. 2. Algebra

    Factorise: x² + 8x + 16

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

    Hypotenuse = 16cm, angle = 52°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 9.85cm
  4. 4. Ratio

    Simplify the ratio £2 : 50p

    Answer: 4:1
  5. 5. Statistics

    The mean of 4 numbers is 36. If 3 of them are 17, 24, 34, what is the missing number?

    Answer: 69

Thursday 20 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0021 in standard form

    Answer: 2.1 × 10-3
  2. 2. Algebra

    Factorise: x² + 3x - 88

    Answer: (x + 11)(x - 8)
  3. 3. Geometry

    Adjacent = 15cm, angle = 51°. Find opposite. Give your answer to 2 decimal places

    Answer: 18.52cm
  4. 4. Ratio

    Simplify the ratio kg : 800g

    Answer: 5:4
  5. 5. Statistics

    Calculate the mean of: 49, 40, 38, 9, 5, 9

    Answer: 25

Friday 21 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 60,000,000 in standard form

    Answer: 6 × 107
  2. 2. Algebra

    Factorise: x² + x - 90

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

    Hypotenuse = 40cm, angle = 52°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 24.63cm
  4. 4. Ratio

    Black, white and yellow beads are in the ratio 6:3:9. What fraction of the beads are black?

    Answer: 1⁄3
  5. 5. Statistics

    The mean of 5 numbers is 32. If 4 of them are 16, 17, 23, 43, what is the missing number?

    Answer: 61