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Lintel Apr 11 - 17 25 questions
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Monday 11 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00099

    Answer: 9.9 × 10-4
  2. 2. Algebra

    Factorise: x² - 7x + 12

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

    Adjacent = 16cm, angle = 36°. Find opposite

    Answer: 11.6cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 30, 10, 33, 46, 6, 27, 31, 8

    Answer: 23.9

Tuesday 12 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    370000

    Answer: 3.7 × 105
  2. 2. Algebra

    Factorise: x² - 9x + 20

    Answer: (x - 4)(x - 5)
  3. 3. Geometry

    Hypotenuse = 31cm, angle = 64°. Find adjacent side

    Answer: 13.6cm
  4. 4. Ratio

    In ratio 3:1:4, what fraction is the second part?

    Answer: 18
  5. 5. Statistics

    Calculate the mean of: 31, 37, 38, 21, 42, 44, 45

    Answer: 36.9

Wednesday 13 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.08

    Answer: 8 × 10-2
  2. 2. Algebra

    Factorise: x² + 5x - 14

    Answer: (x + 7)(x - 2)
  3. 3. Geometry

    Adjacent = 24cm, angle = 58°. Find opposite

    Answer: 38.4cm
  4. 4. Ratio

    In ratio 2:4:3, what fraction is the second part?

    Answer: 49
  5. 5. Statistics

    The mean of 4 numbers is 31. If 3 of them are 16, 28, 26, what is the missing number?

    Answer: 54

Thursday 14 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0059

    Answer: 5.9 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 42

    Answer: (x + 7)(x - 6)
  3. 3. Geometry

    Adjacent = 15cm, angle = 34°. Find opposite

    Answer: 10.cm
  4. 4. Ratio

    Simplify: 6:4:8

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

    Calculate the mean of: 37, 6, 15, 22, 5, 34, 11, 49

    Answer: 22.4

Friday 15 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    21000000

    Answer: 2.1 × 107
  2. 2. Algebra

    Factorise: x² - 10x + 24

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

    Hypotenuse = 25cm, angle = 41°. Find adjacent side

    Answer: 18.9cm
  4. 4. Ratio

    Simplify: 15:9:6

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

    The mean of 4 numbers is 39. If 3 of them are 20, 34, 27, what is the missing number?

    Answer: 75