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Lintel Dec 2 - 8 25 questions
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Monday 2 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0039

    Answer: 3.9 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 42

    Answer: (x + 7)(x - 6)
  3. 3. Geometry

    Adjacent = 21cm, angle = 33°. Find opposite

    Answer: 13.6cm
  4. 4. Ratio

    £344.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £215.00
  5. 5. Statistics

    Calculate the mean of: 48, 31, 43, 44, 35, 29, 6, 47

    Answer: 35.4

Tuesday 3 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    240000

    Answer: 2.4 × 105
  2. 2. Algebra

    Factorise: x² - 8x + 15

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

    Hypotenuse = 21cm, angle = 50°. Find adjacent side

    Answer: 13.5cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 22. If 3 of them are 46, 29, 34, what is the missing number?

    Answer: -21

Wednesday 4 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    8200000

    Answer: 8.2 × 106
  2. 2. Algebra

    Factorise: x² - 7x + 10

    Answer: (x - 2)(x - 5)
  3. 3. Geometry

    Hypotenuse = 17cm, angle = 52°. Find adjacent side

    Answer: 10.5cm
  4. 4. Ratio

    Divide 114 in the ratio 1:3:2

    Answer: 19, 57 and 38
  5. 5. Statistics

    Calculate the mean of: 35, 30, 10, 42, 13, 50, 49

    Answer: 32.7

Thursday 5 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0076

    Answer: 7.6 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Adjacent = 25cm, angle = 42°. Find opposite

    Answer: 22.5cm
  4. 4. Ratio

    Express the first part of 2:6 as a fraction in simplest form

    Answer: 14
  5. 5. Statistics

    The mean of 5 numbers is 33. If 4 of them are 21, 34, 27, 27, what is the missing number?

    Answer: 56

Friday 6 December 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    560000

    Answer: 5.6 × 105
  2. 2. Algebra

    Factorise: x² + x - 2

    Answer: (x + 2)(x - 1)
  3. 3. Geometry

    Hypotenuse = 26cm, angle = 57°. Find adjacent side

    Answer: 14.2cm
  4. 4. Ratio

    Simplify: 6:12:9

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

    The mean of 6 numbers is 32. If 5 of them are 19, 19, 31, 38, 43, what is the missing number?

    Answer: 42