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Lintel Apr 22 - 28 25 questions
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Monday 22 April 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    370000

    Answer: 3.7 × 105
  2. 2. Algebra

    Factorise: x² + x - 2

    Answer: (x + 2)(x - 1)
  3. 3. Geometry

    Hypotenuse = 28cm, angle = 29°. Find adjacent side

    Answer: 24.5cm
  4. 4. Ratio

    Simplify: 24:24:16

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

    Calculate the mean of: 27, 12, 28, 43, 21, 26

    Answer: 26.2

Tuesday 23 April 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.068

    Answer: 6.8 × 10-2
  2. 2. Algebra

    Factorise: x² - 10x + 21

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

    Adjacent = 29cm, angle = 34°. Find opposite

    Answer: 19.6cm
  4. 4. Ratio

    Simplify: 18:6:12

    Answer: 3:1:2
  5. 5. Statistics

    The mean of 5 numbers is 35. If 4 of them are 29, 16, 19, 35, what is the missing number?

    Answer: 76

Wednesday 24 April 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.012

    Answer: 1.2 × 10-2
  2. 2. Algebra

    Factorise: x² - 4x + 4

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

    Adjacent = 26cm, angle = 53°. Find opposite

    Answer: 34.5cm
  4. 4. Ratio

    £238.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £136.00
  5. 5. Statistics

    Calculate the mean of: 20, 24, 6, 38, 28, 28, 25, 45

    Answer: 26.8

Thursday 25 April 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    840000

    Answer: 8.4 × 105
  2. 2. Algebra

    Factorise: x² + 3x - 10

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

    Hypotenuse = 17cm, angle = 41°. Find adjacent side

    Answer: 12.8cm
  4. 4. Ratio

    £282.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £188.00
  5. 5. Statistics

    The mean of 4 numbers is 27. If 3 of them are 20, 40, 47, what is the missing number?

    Answer: 1

Friday 26 April 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00028

    Answer: 2.8 × 10-4
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Adjacent = 29cm, angle = 53°. Find opposite

    Answer: 38.5cm
  4. 4. Ratio

    £272.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £102.00
  5. 5. Statistics

    The mean of 6 numbers is 30. If 5 of them are 41, 50, 46, 31, 21, what is the missing number?

    Answer: -9