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Lintel Sep 2 - 8 25 questions
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Monday 2 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    69000000

    Answer: 6.9 × 107
  2. 2. Algebra

    Factorise: x² - 4x + 4

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

    Adjacent = 10cm, angle = 37°. Find opposite

    Answer: 7.5cm
  4. 4. Ratio

    Divide 280 in the ratio 4:3:3

    Answer: 112, 84 and 84
  5. 5. Statistics

    The mean of 6 numbers is 28. If 5 of them are 17, 45, 46, 25, 31, what is the missing number?

    Answer: 4

Tuesday 3 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0058

    Answer: 5.8 × 10-3
  2. 2. Algebra

    Factorise: x² + 4x - 5

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

    Hypotenuse = 30cm, angle = 63°. Find adjacent side

    Answer: 13.6cm
  4. 4. Ratio

    Simplify: 12:9:6

    Answer: 4:3:2
  5. 5. Statistics

    Calculate the mean of: 34, 33, 36, 18, 25, 24, 19, 26

    Answer: 26.9

Wednesday 4 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.013

    Answer: 1.3 × 10-2
  2. 2. Algebra

    Factorise: x² + 3x - 4

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

    Hypotenuse = 33cm, angle = 50°. Find adjacent side

    Answer: 21.2cm
  4. 4. Ratio

    £203.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £145.00
  5. 5. Statistics

    The mean of 5 numbers is 40. If 4 of them are 20, 30, 21, 30, what is the missing number?

    Answer: 99

Thursday 5 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    23000

    Answer: 2.3 × 104
  2. 2. Algebra

    Factorise: x² + x - 12

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

    Adjacent = 19cm, angle = 43°. Find opposite

    Answer: 17.7cm
  4. 4. Ratio

    In ratio 2:4:1, what fraction is the second part?

    Answer: 47
  5. 5. Statistics

    Calculate the mean of: 29, 30, 6, 13, 32, 42, 23, 28

    Answer: 25.4

Friday 6 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0049

    Answer: 4.9 × 10-3
  2. 2. Algebra

    Factorise: x² - 10x + 24

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

    Hypotenuse = 18cm, angle = 62°. Find adjacent side

    Answer: 8.5cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 12, 16, 39, 25, 9, 17

    Answer: 19.7