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Lintel Jan 28 - Feb 3 25 questions
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Monday 28 January 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0062

    Answer: 6.2 × 10-3
  2. 2. Algebra

    Factorise: x² - 7x + 12

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

    Adjacent = 18cm, angle = 51°. Find opposite

    Answer: 22.2cm
  4. 4. Ratio

    £161.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £92.00
  5. 5. Statistics

    The mean of 4 numbers is 30. If 3 of them are 27, 24, 16, what is the missing number?

    Answer: 53

Tuesday 29 January 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    95000000

    Answer: 9.5 × 107
  2. 2. Algebra

    Factorise: x² + 5x - 14

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

    Hypotenuse = 17cm, angle = 42°. Find adjacent side

    Answer: 12.6cm
  4. 4. Ratio

    £196.00 is shared between A and B in the ratio 3:4. How much does A receive?

    Answer: £84.00
  5. 5. Statistics

    Calculate the mean of: 11, 44, 11, 28, 43, 49, 6, 29

    Answer: 27.6

Wednesday 30 January 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    9400000

    Answer: 9.4 × 106
  2. 2. Algebra

    Factorise: x² - 8x + 15

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

    Adjacent = 20cm, angle = 55°. Find opposite

    Answer: 28.6cm
  4. 4. Ratio

    £232.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £145.00
  5. 5. Statistics

    Calculate the mean of: 23, 32, 46, 10, 10, 17, 46, 38

    Answer: 27.8

Thursday 31 January 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.097

    Answer: 9.7 × 10-2
  2. 2. Algebra

    Factorise: x² - 10x + 24

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

    Hypotenuse = 39cm, angle = 44°. Find adjacent side

    Answer: 28.cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 40. If 5 of them are 42, 19, 30, 40, 47, what is the missing number?

    Answer: 62

Friday 1 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00083

    Answer: 8.3 × 10-4
  2. 2. Algebra

    Factorise: x² + 4x - 12

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

    Adjacent = 22cm, angle = 54°. Find opposite

    Answer: 30.3cm
  4. 4. Ratio

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

    Answer: 18
  5. 5. Statistics

    Calculate the mean of: 24, 33, 32, 21, 8, 37, 31

    Answer: 26.6