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Lintel Nov 1 - 7 25 questions
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Monday 1 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.094

    Answer: 9.4 × 10-2
  2. 2. Algebra

    Factorise: x² + 2x - 48

    Answer: (x + 8)(x - 6)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 44°. Find adjacent side

    Answer: 28.cm
  4. 4. Ratio

    £294.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £196.00
  5. 5. Statistics

    Calculate the mean of: 49, 21, 5, 27, 33, 48, 35, 6

    Answer: 28

Tuesday 2 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    74000

    Answer: 7.4 × 104
  2. 2. Algebra

    Factorise: x² + x - 2

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

    Adjacent = 21cm, angle = 39°. Find opposite

    Answer: 17cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 8, 30, 45, 39, 13, 33, 23

    Answer: 27.3

Wednesday 3 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0089

    Answer: 8.9 × 10-3
  2. 2. Algebra

    Factorise: x² - 10x + 25

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

    Hypotenuse = 18cm, angle = 37°. Find adjacent side

    Answer: 14.4cm
  4. 4. Ratio

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

    Answer: 25
  5. 5. Statistics

    The mean of 4 numbers is 39. If 3 of them are 19, 38, 28, what is the missing number?

    Answer: 71

Thursday 4 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.093

    Answer: 9.3 × 10-2
  2. 2. Algebra

    Factorise: x² - 9x + 20

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

    Hypotenuse = 20cm, angle = 38°. Find adjacent side

    Answer: 15.8cm
  4. 4. Ratio

    Express the first part of 3:4 as a fraction in simplest form

    Answer: 37
  5. 5. Statistics

    Calculate the mean of: 34, 16, 27, 41, 50, 5, 50

    Answer: 31.9

Friday 5 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    71000

    Answer: 7.1 × 104
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Adjacent = 15cm, angle = 52°. Find opposite

    Answer: 19.2cm
  4. 4. Ratio

    Divide 114 in the ratio 1:2:3

    Answer: 19, 38 and 57
  5. 5. Statistics

    The mean of 6 numbers is 26. If 5 of them are 49, 23, 23, 41, 19, what is the missing number?

    Answer: 1