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Lintel Aug 19 - 25 25 questions
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Monday 19 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    580000

    Answer: 5.8 × 105
  2. 2. Algebra

    Factorise: x² - 12x + 35

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

    Hypotenuse = 15cm, angle = 57°. Find adjacent side

    Answer: 8.2cm
  4. 4. Ratio

    £224.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £128.00
  5. 5. Statistics

    Calculate the mean of: 33, 49, 34, 28, 37, 19, 28, 11

    Answer: 29.9

Tuesday 20 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.091

    Answer: 9.1 × 10-2
  2. 2. Algebra

    Factorise: x² - 11x + 30

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

    Adjacent = 10cm, angle = 41°. Find opposite

    Answer: 8.7cm
  4. 4. Ratio

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

    Answer: 38
  5. 5. Statistics

    The mean of 5 numbers is 30. If 4 of them are 19, 46, 49, 36, what is the missing number?

    Answer: 0

Wednesday 21 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    25000

    Answer: 2.5 × 104
  2. 2. Algebra

    Factorise: x² + 5x - 14

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

    Hypotenuse = 39cm, angle = 29°. Find adjacent side

    Answer: 34.cm
  4. 4. Ratio

    In ratio 2:4:4, what fraction is the second part?

    Answer: 410
  5. 5. Statistics

    Calculate the mean of: 29, 37, 49, 11, 17, 39, 31, 24

    Answer: 29.6

Thursday 22 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.055

    Answer: 5.5 × 10-2
  2. 2. Algebra

    Factorise: x² + 2x - 8

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

    Adjacent = 11cm, angle = 52°. Find opposite

    Answer: 14.cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 35, 49, 19, 20, 19, 32

    Answer: 29

Friday 23 August 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    84000

    Answer: 8.4 × 104
  2. 2. Algebra

    Factorise: x² - 7x + 12

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

    Hypotenuse = 24cm, angle = 48°. Find adjacent side

    Answer: 16.cm
  4. 4. Ratio

    In ratio 2:2:3, what fraction is the second part?

    Answer: 27
  5. 5. Statistics

    The mean of 6 numbers is 29. If 5 of them are 49, 50, 23, 38, 47, what is the missing number?

    Answer: -33