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Lintel Mar 10 - 16 25 questions
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Monday 10 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0096

    Answer: 9.6 × 10-3
  2. 2. Algebra

    Factorise: x² + 5x - 6

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

    Hypotenuse = 39cm, angle = 43°. Find adjacent side

    Answer: 28.5cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 28, 14, 41, 37, 39, 49, 31, 5

    Answer: 30.5

Tuesday 11 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    36000

    Answer: 3.6 × 104
  2. 2. Algebra

    Factorise: x² - 8x + 12

    Answer: (x - 2)(x - 6)
  3. 3. Geometry

    Adjacent = 20cm, angle = 40°. Find opposite

    Answer: 16.8cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 32. If 5 of them are 30, 22, 19, 18, 26, what is the missing number?

    Answer: 77

Wednesday 12 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.07

    Answer: 7 × 10-2
  2. 2. Algebra

    Factorise: x² - 12x + 35

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

    Hypotenuse = 34cm, angle = 34°. Find adjacent side

    Answer: 28.2cm
  4. 4. Ratio

    £245.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £175.00
  5. 5. Statistics

    The mean of 5 numbers is 34. If 4 of them are 21, 28, 40, 40, what is the missing number?

    Answer: 41

Thursday 13 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    4200000

    Answer: 4.2 × 106
  2. 2. Algebra

    Factorise: x² + x - 20

    Answer: (x + 5)(x - 4)
  3. 3. Geometry

    Adjacent = 27cm, angle = 52°. Find opposite

    Answer: 34.6cm
  4. 4. Ratio

    Divide 168 in the ratio 1:2:3

    Answer: 28, 56 and 84
  5. 5. Statistics

    Calculate the mean of: 23, 35, 29, 36, 9, 46, 40

    Answer: 31.1

Friday 14 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    29000

    Answer: 2.9 × 104
  2. 2. Algebra

    Factorise: x² + 2x - 15

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

    Adjacent = 10cm, angle = 33°. Find opposite

    Answer: 6.5cm
  4. 4. Ratio

    Express the first part of 6:5 as a fraction in simplest form

    Answer: 611
  5. 5. Statistics

    The mean of 4 numbers is 27. If 3 of them are 45, 24, 26, what is the missing number?

    Answer: 13