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Lintel Jun 30 - Jul 6 25 questions
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Monday 30 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0029

    Answer: 2.9 × 10-3
  2. 2. Algebra

    Factorise: x² + 2x - 35

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

    Adjacent = 29cm, angle = 57°. Find opposite

    Answer: 44.7cm
  4. 4. Ratio

    £192.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £120.00
  5. 5. Statistics

    Calculate the mean of: 13, 43, 45, 32, 21, 23, 25

    Answer: 28.9

Tuesday 1 July 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    66000000

    Answer: 6.6 × 107
  2. 2. Algebra

    Factorise: x² + 4x - 12

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

    Hypotenuse = 28cm, angle = 41°. Find adjacent side

    Answer: 21.cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 8, 5, 30, 12, 50, 19, 22

    Answer: 20.9

Wednesday 2 July 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00011

    Answer: 1.1 × 10-4
  2. 2. Algebra

    Factorise: x² - 13x + 42

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

    Adjacent = 14cm, angle = 53°. Find opposite

    Answer: 18.6cm
  4. 4. Ratio

    £135.00 is shared between A and B in the ratio 2:3. How much does A receive?

    Answer: £54.00
  5. 5. Statistics

    Calculate the mean of: 42, 31, 30, 37, 35, 16, 19

    Answer: 30

Thursday 3 July 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    62000

    Answer: 6.2 × 104
  2. 2. Algebra

    Factorise: x² + x - 2

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

    Hypotenuse = 23cm, angle = 47°. Find adjacent side

    Answer: 15.7cm
  4. 4. Ratio

    £240.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £80.00
  5. 5. Statistics

    The mean of 5 numbers is 25. If 4 of them are 27, 18, 17, 31, what is the missing number?

    Answer: 32

Friday 4 July 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    2300000

    Answer: 2.3 × 106
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Hypotenuse = 38cm, angle = 49°. Find adjacent side

    Answer: 24.9cm
  4. 4. Ratio

    Divide 192 in the ratio 2:1:1

    Answer: 96, 48 and 48
  5. 5. Statistics

    Calculate the mean of: 16, 14, 34, 26, 34, 21

    Answer: 24.2