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Lintel May 25 - 31 25 questions
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Monday 25 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    840000

    Answer: 8.4 × 105
  2. 2. Algebra

    Factorise: x² - 10x + 25

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

    Adjacent = 26cm, angle = 36°. Find opposite

    Answer: 18.9cm
  4. 4. Ratio

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

    Answer: £200.00
  5. 5. Statistics

    The mean of 5 numbers is 37. If 4 of them are 44, 30, 30, 18, what is the missing number?

    Answer: 63

Tuesday 26 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00076

    Answer: 7.6 × 10-4
  2. 2. Algebra

    Factorise: x² - 7x + 10

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

    Hypotenuse = 35cm, angle = 30°. Find adjacent side

    Answer: 30.3cm
  4. 4. Ratio

    In ratio 1:2:4, what fraction is the second part?

    Answer: 2⁄7
  5. 5. Statistics

    The mean of 4 numbers is 27. If 3 of them are 20, 33, 44, what is the missing number?

    Answer: 11

Wednesday 27 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    50000

    Answer: 5 × 104
  2. 2. Algebra

    Factorise: x² + 7x - 8

    Answer: (x + 8)(x - 1)
  3. 3. Geometry

    Adjacent = 11cm, angle = 57°. Find opposite

    Answer: 16.9cm
  4. 4. Ratio

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

    Answer: 3⁄7
  5. 5. Statistics

    Calculate the mean of: 38, 48, 44, 45, 27, 43, 7

    Answer: 36

Thursday 28 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    200000

    Answer: 2 × 105
  2. 2. Algebra

    Factorise: x² + 5x - 24

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

    Adjacent = 29cm, angle = 44°. Find opposite

    Answer: 28cm
  4. 4. Ratio

    In ratio 2:3:1, what fraction is the second part?

    Answer: 3⁄6
  5. 5. Statistics

    Calculate the mean of: 5, 26, 37, 7, 35, 34

    Answer: 24

Friday 29 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0075

    Answer: 7.5 × 10-3
  2. 2. Algebra

    Factorise: x² - 11x + 30

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

    Hypotenuse = 31cm, angle = 64°. Find adjacent side

    Answer: 13.6cm
  4. 4. Ratio

    £294.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £168.00
  5. 5. Statistics

    The mean of 4 numbers is 38. If 3 of them are 20, 22, 32, what is the missing number?

    Answer: 78