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Lintel Feb 11 - 17 25 questions
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Monday 11 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    100000

    Answer: 1 × 105
  2. 2. Algebra

    Factorise: x² - 11x + 30

    Answer: (x - 5)(x - 6)
  3. 3. Geometry

    Adjacent = 11cm, angle = 31°. Find opposite

    Answer: 6.6cm
  4. 4. Ratio

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

    Answer: 35
  5. 5. Statistics

    Calculate the mean of: 38, 34, 12, 26, 29, 17

    Answer: 26

Tuesday 12 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00092

    Answer: 9.2 × 10-4
  2. 2. Algebra

    Factorise: x² - 14x + 49

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

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

    Answer: 16.7cm
  4. 4. Ratio

    Express the first part of 4:2 as a fraction in simplest form

    Answer: 23
  5. 5. Statistics

    Calculate the mean of: 50, 44, 48, 41, 18, 37, 24, 48

    Answer: 38.8

Wednesday 13 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    53000000

    Answer: 5.3 × 107
  2. 2. Algebra

    Factorise: x² + 2x - 35

    Answer: (x + 7)(x - 5)
  3. 3. Geometry

    Adjacent = 21cm, angle = 59°. Find opposite

    Answer: 34.9cm
  4. 4. Ratio

    Simplify: 12:8:12

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

    The mean of 6 numbers is 29. If 5 of them are 37, 42, 42, 20, 42, what is the missing number?

    Answer: -9

Thursday 14 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    18000000

    Answer: 1.8 × 107
  2. 2. Algebra

    Factorise: x² + x - 30

    Answer: (x + 6)(x - 5)
  3. 3. Geometry

    Adjacent = 16cm, angle = 37°. Find opposite

    Answer: 12.cm
  4. 4. Ratio

    £192.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £128.00
  5. 5. Statistics

    Calculate the mean of: 12, 36, 13, 39, 32, 27, 27

    Answer: 26.6

Friday 15 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0035

    Answer: 3.5 × 10-3
  2. 2. Algebra

    Factorise: x² - 6x + 8

    Answer: (x - 4)(x - 2)
  3. 3. Geometry

    Hypotenuse = 23cm, angle = 49°. Find adjacent side

    Answer: 15.cm
  4. 4. Ratio

    £312.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £195.00
  5. 5. Statistics

    The mean of 4 numbers is 21. If 3 of them are 40, 41, 49, what is the missing number?

    Answer: -46