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Lintel Dec 16 - 22 25 questions
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Monday 16 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.057

    Answer: 5.7 × 10-2
  2. 2. Algebra

    Factorise: x² - 9x + 20

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

    Hypotenuse = 22cm, angle = 52°. Find adjacent side

    Answer: 13.5cm
  4. 4. Ratio

    £369.00 is shared between A and B in the ratio 5:4. How much does A receive?

    Answer: £205.00
  5. 5. Statistics

    The mean of 5 numbers is 33. If 4 of them are 30, 47, 47, 41, what is the missing number?

    Answer: 0

Tuesday 17 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    46000000

    Answer: 4.6 × 107
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Adjacent = 15cm, angle = 58°. Find opposite

    Answer: 24cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 31, 6, 43, 7, 28, 46

    Answer: 26.8

Wednesday 18 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    7000000

    Answer: 7 × 106
  2. 2. Algebra

    Factorise: x² - 9x + 18

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

    Adjacent = 21cm, angle = 55°. Find opposite

    Answer: 30cm
  4. 4. Ratio

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

    Answer: 49
  5. 5. Statistics

    Calculate the mean of: 30, 9, 17, 9, 21, 21, 50

    Answer: 22.4

Thursday 19 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.017

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

    Factorise: x² - 6x + 8

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

    Hypotenuse = 21cm, angle = 62°. Find adjacent side

    Answer: 9.9cm
  4. 4. Ratio

    £297.00 is shared between A and B in the ratio 5:4. How much does A receive?

    Answer: £165.00
  5. 5. Statistics

    The mean of 5 numbers is 35. If 4 of them are 18, 40, 43, 36, what is the missing number?

    Answer: 38

Friday 20 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    64000000

    Answer: 6.4 × 107
  2. 2. Algebra

    Factorise: x² - 5x + 6

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

    Adjacent = 20cm, angle = 39°. Find opposite

    Answer: 16.2cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 44, 39, 7, 34, 35, 40, 13, 41

    Answer: 31.6