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Lintel Oct 1 - 7 25 questions
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Monday 1 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00061

    Answer: 6.1 × 10-4
  2. 2. Algebra

    Factorise: x² - 8x + 12

    Answer: (x - 6)(x - 2)
  3. 3. Geometry

    Adjacent = 11cm, angle = 56°. Find opposite

    Answer: 16.3cm
  4. 4. Ratio

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

    Answer: 3⁄8
  5. 5. Statistics

    Calculate the mean of: 31, 28, 17, 47, 20, 24, 33

    Answer: 28.6

Tuesday 2 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    710000

    Answer: 7.1 × 105
  2. 2. Algebra

    Factorise: x² - 12x + 35

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

    Hypotenuse = 33cm, angle = 57°. Find adjacent side

    Answer: 18cm
  4. 4. Ratio

    £240.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £150.00
  5. 5. Statistics

    Calculate the mean of: 19, 9, 22, 13, 19, 17

    Answer: 16.5

Wednesday 3 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00032

    Answer: 3.2 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Adjacent = 12cm, angle = 47°. Find opposite

    Answer: 12.9cm
  4. 4. Ratio

    £376.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £141.00
  5. 5. Statistics

    The mean of 6 numbers is 31. If 5 of them are 48, 35, 43, 22, 38, what is the missing number?

    Answer: 0

Thursday 4 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.029

    Answer: 2.9 × 10-2
  2. 2. Algebra

    Factorise: x² + 4x - 5

    Answer: (x + 5)(x - 1)
  3. 3. Geometry

    Adjacent = 27cm, angle = 39°. Find opposite

    Answer: 21.9cm
  4. 4. Ratio

    Express the first part of 6:3 as a fraction in simplest form

    Answer: 2⁄3
  5. 5. Statistics

    Calculate the mean of: 10, 30, 17, 10, 15, 19, 29

    Answer: 18.6

Friday 5 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    2700000

    Answer: 2.7 × 106
  2. 2. Algebra

    Factorise: x² - 6x + 9

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

    Hypotenuse = 26cm, angle = 45°. Find adjacent side

    Answer: 18.4cm
  4. 4. Ratio

    Divide 60 in the ratio 1:2:1

    Answer: 15, 30 and 15
  5. 5. Statistics

    The mean of 6 numbers is 22. If 5 of them are 30, 19, 22, 40, 15, what is the missing number?

    Answer: 6