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Lintel Dec 10 - 16 25 questions
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Monday 10 December 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0023

    Answer: 2.3 × 10-3
  2. 2. Algebra

    Factorise: x² + 5x - 6

    Answer: (x + 6)(x - 1)
  3. 3. Geometry

    Adjacent = 22cm, angle = 40°. Find opposite

    Answer: 18.5cm
  4. 4. Ratio

    Divide 207 in the ratio 1:4:4

    Answer: 23, 92 and 92
  5. 5. Statistics

    The mean of 5 numbers is 37. If 4 of them are 49, 20, 17, 25, what is the missing number?

    Answer: 74

Tuesday 11 December 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    530000

    Answer: 5.3 × 105
  2. 2. Algebra

    Factorise: x² - 10x + 24

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

    Hypotenuse = 20cm, angle = 37°. Find adjacent side

    Answer: 16cm
  4. 4. Ratio

    Simplify: 8:20:20

    Answer: 2:5:5
  5. 5. Statistics

    Calculate the mean of: 42, 16, 29, 35, 39, 13, 27

    Answer: 28.7

Wednesday 12 December 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0073

    Answer: 7.3 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Adjacent = 24cm, angle = 60°. Find opposite

    Answer: 41.6cm
  4. 4. Ratio

    Divide 243 in the ratio 4:2:3

    Answer: 108, 54 and 81
  5. 5. Statistics

    Calculate the mean of: 46, 9, 48, 34, 16, 27, 11

    Answer: 27.3

Thursday 13 December 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    91000000

    Answer: 9.1 × 107
  2. 2. Algebra

    Factorise: x² - 6x + 9

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

    Hypotenuse = 15cm, angle = 29°. Find adjacent side

    Answer: 13.cm
  4. 4. Ratio

    Simplify: 4:8:6

    Answer: 2:4:3
  5. 5. Statistics

    The mean of 5 numbers is 22. If 4 of them are 28, 36, 43, 23, what is the missing number?

    Answer: -20

Friday 14 December 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    64000000

    Answer: 6.4 × 107
  2. 2. Algebra

    Factorise: x² + 2x - 48

    Answer: (x + 8)(x - 6)
  3. 3. Geometry

    Hypotenuse = 28cm, angle = 37°. Find adjacent side

    Answer: 22.4cm
  4. 4. Ratio

    £168.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £105.00
  5. 5. Statistics

    Calculate the mean of: 19, 23, 21, 30, 13, 41, 7, 48

    Answer: 25.3