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Lintel Jul 11 - 17 25 questions
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Monday 11 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.033

    Answer: 3.3 × 10-2
  2. 2. Algebra

    Factorise: x² - 9x + 20

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

    Hypotenuse = 23cm, angle = 39°. Find adjacent side

    Answer: 17.9cm
  4. 4. Ratio

    Express the first part of 4:5 as a fraction in simplest form

    Answer: 49
  5. 5. Statistics

    Calculate the mean of: 35, 37, 25, 13, 42, 14

    Answer: 27.7

Tuesday 12 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    8300000

    Answer: 8.3 × 106
  2. 2. Algebra

    Factorise: x² - 10x + 24

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

    Adjacent = 19cm, angle = 38°. Find opposite

    Answer: 14.8cm
  4. 4. Ratio

    Express the first part of 3:5 as a fraction in simplest form

    Answer: 38
  5. 5. Statistics

    Calculate the mean of: 42, 6, 6, 41, 5, 19, 48

    Answer: 23.9

Wednesday 13 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.044

    Answer: 4.4 × 10-2
  2. 2. Algebra

    Factorise: x² + 3x - 10

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

    Hypotenuse = 24cm, angle = 46°. Find adjacent side

    Answer: 16.7cm
  4. 4. Ratio

    Express the first part of 3:2 as a fraction in simplest form

    Answer: 35
  5. 5. Statistics

    The mean of 5 numbers is 33. If 4 of them are 27, 35, 25, 33, what is the missing number?

    Answer: 45

Thursday 14 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.017

    Answer: 1.7 × 10-2
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Hypotenuse = 16cm, angle = 40°. Find adjacent side

    Answer: 12.3cm
  4. 4. Ratio

    £160.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £96.00
  5. 5. Statistics

    Calculate the mean of: 36, 46, 40, 27, 41, 14, 11, 21

    Answer: 29.5

Friday 15 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    76000000

    Answer: 7.6 × 107
  2. 2. Algebra

    Factorise: x² - 14x + 49

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

    Adjacent = 22cm, angle = 37°. Find opposite

    Answer: 16.6cm
  4. 4. Ratio

    £350.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £200.00
  5. 5. Statistics

    The mean of 5 numbers is 29. If 4 of them are 28, 47, 18, 17, what is the missing number?

    Answer: 35