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Lintel Mar 28 - Apr 3 25 questions
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Monday 28 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0083

    Answer: 8.3 × 10-3
  2. 2. Algebra

    Factorise: x² + 3x - 18

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

    Hypotenuse = 32cm, angle = 30°. Find adjacent side

    Answer: 27.7cm
  4. 4. Ratio

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

    Answer: 37
  5. 5. Statistics

    Calculate the mean of: 12, 10, 46, 29, 25, 16

    Answer: 23

Tuesday 29 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    73000

    Answer: 7.3 × 104
  2. 2. Algebra

    Factorise: x² - 10x + 24

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

    Adjacent = 12cm, angle = 39°. Find opposite

    Answer: 9.7cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 24. If 5 of them are 19, 37, 15, 25, 27, what is the missing number?

    Answer: 21

Wednesday 30 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    3700000

    Answer: 3.7 × 106
  2. 2. Algebra

    Factorise: x² - 12x + 35

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

    Hypotenuse = 16cm, angle = 51°. Find adjacent side

    Answer: 10.cm
  4. 4. Ratio

    £100.00 is shared between A and B in the ratio 2:3. How much does A receive?

    Answer: £40.00
  5. 5. Statistics

    The mean of 6 numbers is 22. If 5 of them are 44, 20, 19, 33, 34, what is the missing number?

    Answer: -18

Thursday 31 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.08

    Answer: 8 × 10-2
  2. 2. Algebra

    Factorise: x² + 3x - 10

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

    Adjacent = 10cm, angle = 34°. Find opposite

    Answer: 6.7cm
  4. 4. Ratio

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

    Answer: 48
  5. 5. Statistics

    Calculate the mean of: 44, 10, 35, 45, 22, 19

    Answer: 29.2

Friday 1 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    5000000

    Answer: 5 × 106
  2. 2. Algebra

    Factorise: x² - 9x + 14

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

    Adjacent = 30cm, angle = 55°. Find opposite

    Answer: 42.8cm
  4. 4. Ratio

    Simplify: 10:8:12

    Answer: 5:4:6
  5. 5. Statistics

    Calculate the mean of: 34, 31, 21, 36, 48, 45, 50, 15

    Answer: 35