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Lintel Jul 14 - 20 25 questions
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Monday 14 July 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.056

    Answer: 5.6 × 10-2
  2. 2. Algebra

    Factorise: x² - 7x + 12

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

    Hypotenuse = 39cm, angle = 65°. Find adjacent side

    Answer: 16.5cm
  4. 4. Ratio

    £294.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £196.00
  5. 5. Statistics

    Calculate the mean of: 33, 25, 36, 14, 15, 14, 6

    Answer: 20.4

Tuesday 15 July 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    3900000

    Answer: 3.9 × 106
  2. 2. Algebra

    Factorise: x² + 4x - 5

    Answer: (x + 5)(x - 1)
  3. 3. Geometry

    Adjacent = 14cm, angle = 60°. Find opposite

    Answer: 24.2cm
  4. 4. Ratio

    £125.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £75.00
  5. 5. Statistics

    The mean of 4 numbers is 30. If 3 of them are 38, 16, 47, what is the missing number?

    Answer: 19

Wednesday 16 July 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0086

    Answer: 8.6 × 10-3
  2. 2. Algebra

    Factorise: x² + 4x - 12

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

    Hypotenuse = 40cm, angle = 57°. Find adjacent side

    Answer: 21.8cm
  4. 4. Ratio

    £350.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £100.00
  5. 5. Statistics

    The mean of 4 numbers is 40. If 3 of them are 38, 18, 18, what is the missing number?

    Answer: 86

Thursday 17 July 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    3600000

    Answer: 3.6 × 106
  2. 2. Algebra

    Factorise: x² - 11x + 28

    Answer: (x - 7)(x - 4)
  3. 3. Geometry

    Adjacent = 28cm, angle = 52°. Find opposite

    Answer: 35.8cm
  4. 4. Ratio

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

    Answer: 28
  5. 5. Statistics

    Calculate the mean of: 8, 39, 27, 29, 7, 44, 43

    Answer: 28.1

Friday 18 July 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    460000

    Answer: 4.6 × 105
  2. 2. Algebra

    Factorise: x² - 9x + 20

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

    Adjacent = 24cm, angle = 49°. Find opposite

    Answer: 27.6cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 27, 26, 50, 19, 31, 19, 46

    Answer: 31.1