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Lintel Nov 26 - Dec 2 25 questions
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Monday 26 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    8200000

    Answer: 8.2 × 106
  2. 2. Algebra

    Factorise: x² + 4x - 5

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

    Adjacent = 25cm, angle = 43°. Find opposite

    Answer: 23.3cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 36, 38, 26, 17, 41, 41, 5

    Answer: 29.1

Tuesday 27 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.037

    Answer: 3.7 × 10-2
  2. 2. Algebra

    Factorise: x² - 14x + 49

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

    Hypotenuse = 23cm, angle = 64°. Find adjacent side

    Answer: 10.cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 39. If 3 of them are 26, 33, 15, what is the missing number?

    Answer: 82

Wednesday 28 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00019

    Answer: 1.9 × 10-4
  2. 2. Algebra

    Factorise: x² - 7x + 12

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

    Hypotenuse = 16cm, angle = 29°. Find adjacent side

    Answer: 14cm
  4. 4. Ratio

    £280.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £80.00
  5. 5. Statistics

    The mean of 4 numbers is 20. If 3 of them are 15, 30, 38, what is the missing number?

    Answer: -3

Thursday 29 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    68000000

    Answer: 6.8 × 107
  2. 2. Algebra

    Factorise: x² - 4x + 4

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

    Adjacent = 28cm, angle = 41°. Find opposite

    Answer: 24.3cm
  4. 4. Ratio

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

    Answer: 1⁄7
  5. 5. Statistics

    Calculate the mean of: 18, 26, 46, 7, 42, 12, 22

    Answer: 24.7

Friday 30 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    66000

    Answer: 6.6 × 104
  2. 2. Algebra

    Factorise: x² + 2x - 8

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

    Hypotenuse = 22cm, angle = 43°. Find adjacent side

    Answer: 16.cm
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 43, 25, 13, 46, 34, 46

    Answer: 34.5