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Lintel Jun 3 - 9 25 questions
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Monday 3 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0075 in standard form

    Answer: 7.5 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 90

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

    Hypotenuse = 38cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 22.87cm
  4. 4. Ratio

    £369.00 is shared between A and B in the ratio 5:4. How much does A receive?

    Answer: £205.00
  5. 5. Statistics

    The mean of 4 numbers is 27. If 3 of them are 22, 44, 18, what is the missing number?

    Answer: 24

Tuesday 4 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000054 in standard form

    Answer: 5.4 × 10-5
  2. 2. Algebra

    Factorise: x² + 6x + 5

    Answer: (x + 5)(x + 1)
  3. 3. Geometry

    Hypotenuse = 30cm, angle = 44°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 21.58cm
  4. 4. Ratio

    Divide 203 in the ratio 3:1:3

    Answer: 87, 29 and 87
  5. 5. Statistics

    Calculate the mean of: 17, 42, 49, 18, 14, 50, 24. Give your answer to 2 decimal places

    Answer: 30.57

Wednesday 5 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 310,000 in standard form

    Answer: 3.1 × 105
  2. 2. Algebra

    Factorise: x² + 2x - 24

    Answer: (x + 6)(x - 4)
  3. 3. Geometry

    Adjacent = 17cm, angle = 32°. Find opposite. Give your answer to 2 decimal places

    Answer: 10.62cm
  4. 4. Ratio

    Divide 220 in the ratio 2:2:1

    Answer: 88, 88 and 44
  5. 5. Statistics

    The mean of 5 numbers is 26. If 4 of them are 16, 18, 21, 42, what is the missing number?

    Answer: 33

Thursday 6 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00066 in standard form

    Answer: 6.6 × 10-4
  2. 2. Algebra

    Factorise: x² - 5x - 24

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

    Hypotenuse = 40cm, angle = 36°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 32.36cm
  4. 4. Ratio

    Simplify: 6:12:15

    Answer: 2:4:5
  5. 5. Statistics

    The mean of 6 numbers is 40. If 5 of them are 31, 23, 42, 34, 49, what is the missing number?

    Answer: 61

Friday 7 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 87,000,000 in standard form

    Answer: 8.7 × 107
  2. 2. Algebra

    Factorise: x² + x - 12

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

    Adjacent = 18cm, angle = 60°. Find opposite. Give your answer to 2 decimal places

    Answer: 31.18cm
  4. 4. Ratio

    Divide 176 in the ratio 3:1:4

    Answer: 66, 22 and 88
  5. 5. Statistics

    Calculate the mean of: 11, 47, 12, 22, 16, 15, 5. Give your answer to 2 decimal places

    Answer: 18.29