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Lintel Mar 4 - 10 25 questions
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Monday 4 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00066

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

    Factorise: x² + 2x - 3

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

    Adjacent = 16cm, angle = 42°. Find opposite

    Answer: 14.4cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 20, 12, 10, 7, 19, 18

    Answer: 14.3

Tuesday 5 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    37000000

    Answer: 3.7 × 107
  2. 2. Algebra

    Factorise: x² - 9x + 18

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

    Hypotenuse = 28cm, angle = 31°. Find adjacent side

    Answer: 24cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 33. If 3 of them are 40, 16, 20, what is the missing number?

    Answer: 56

Wednesday 6 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0066

    Answer: 6.6 × 10-3
  2. 2. Algebra

    Factorise: x² - 4x + 4

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

    Adjacent = 17cm, angle = 37°. Find opposite

    Answer: 12.8cm
  4. 4. Ratio

    In ratio 3:1:2, what fraction is the second part?

    Answer: 16
  5. 5. Statistics

    The mean of 6 numbers is 27. If 5 of them are 43, 35, 46, 50, 29, what is the missing number?

    Answer: -41

Thursday 7 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    51000

    Answer: 5.1 × 104
  2. 2. Algebra

    Factorise: x² + 3x - 10

    Answer: (x + 5)(x - 2)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 29°. Find adjacent side

    Answer: 34.cm
  4. 4. Ratio

    £384.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £240.00
  5. 5. Statistics

    Calculate the mean of: 18, 35, 50, 44, 17, 21

    Answer: 30.8

Friday 8 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    680000

    Answer: 6.8 × 105
  2. 2. Algebra

    Factorise: x² + 4x - 32

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

    Hypotenuse = 29cm, angle = 63°. Find adjacent side

    Answer: 13.2cm
  4. 4. Ratio

    Simplify: 6:12:4

    Answer: 3:6:2
  5. 5. Statistics

    Calculate the mean of: 6, 47, 46, 36, 44, 39

    Answer: 36.3