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Lintel Nov 15 - 21 25 questions
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Monday 15 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0085

    Answer: 8.5 × 10-3
  2. 2. Algebra

    Factorise: x² - 8x + 12

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

    Adjacent = 12cm, angle = 30°. Find opposite

    Answer: 6.9cm
  4. 4. Ratio

    £287.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £205.00
  5. 5. Statistics

    The mean of 6 numbers is 20. If 5 of them are 47, 40, 44, 31, 33, what is the missing number?

    Answer: -75

Tuesday 16 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    270000

    Answer: 2.7 × 105
  2. 2. Algebra

    Factorise: x² - 6x + 8

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

    Hypotenuse = 38cm, angle = 51°. Find adjacent side

    Answer: 23.9cm
  4. 4. Ratio

    £256.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £160.00
  5. 5. Statistics

    The mean of 4 numbers is 23. If 3 of them are 38, 49, 23, what is the missing number?

    Answer: -18

Wednesday 17 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0035

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

    Factorise: x² + x - 12

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

    Adjacent = 27cm, angle = 53°. Find opposite

    Answer: 35.8cm
  4. 4. Ratio

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

    Answer: 17
  5. 5. Statistics

    Calculate the mean of: 34, 29, 44, 38, 29, 46, 48, 49

    Answer: 39.6

Thursday 18 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00065

    Answer: 6.5 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 42

    Answer: (x + 7)(x - 6)
  3. 3. Geometry

    Adjacent = 19cm, angle = 59°. Find opposite

    Answer: 31.6cm
  4. 4. Ratio

    £182.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £104.00
  5. 5. Statistics

    Calculate the mean of: 8, 22, 37, 18, 38, 15, 42

    Answer: 25.7

Friday 19 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    59000000

    Answer: 5.9 × 107
  2. 2. Algebra

    Factorise: x² - 9x + 14

    Answer: (x - 2)(x - 7)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 57°. Find adjacent side

    Answer: 21.2cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 32. If 4 of them are 24, 21, 30, 32, what is the missing number?

    Answer: 53