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Lintel Feb 10 - 16 25 questions
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Monday 10 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.038

    Answer: 3.8 × 10-2
  2. 2. Algebra

    Factorise: x² - 9x + 14

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

    Hypotenuse = 23cm, angle = 50°. Find adjacent side

    Answer: 14.8cm
  4. 4. Ratio

    Express the first part of 3:2 as a fraction in simplest form

    Answer: 3⁄5
  5. 5. Statistics

    Calculate the mean of: 22, 15, 7, 49, 38, 28, 38

    Answer: 28.1

Tuesday 11 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    980000

    Answer: 9.8 × 105
  2. 2. Algebra

    Factorise: x² + x - 2

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

    Adjacent = 21cm, angle = 56°. Find opposite

    Answer: 31.cm
  4. 4. Ratio

    Divide 104 in the ratio 2:3:3

    Answer: 26, 39 and 39
  5. 5. Statistics

    The mean of 5 numbers is 24. If 4 of them are 47, 16, 35, 33, what is the missing number?

    Answer: -11

Wednesday 12 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0082

    Answer: 8.2 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 30

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

    Hypotenuse = 40cm, angle = 49°. Find adjacent side

    Answer: 26.2cm
  4. 4. Ratio

    Express the first part of 5:2 as a fraction in simplest form

    Answer: 5⁄7
  5. 5. Statistics

    The mean of 4 numbers is 30. If 3 of them are 24, 42, 36, what is the missing number?

    Answer: 18

Thursday 13 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    26000

    Answer: 2.6 × 104
  2. 2. Algebra

    Factorise: x² - 7x + 10

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

    Adjacent = 18cm, angle = 30°. Find opposite

    Answer: 10.4cm
  4. 4. Ratio

    Simplify: 12:20:12

    Answer: 3:5:3
  5. 5. Statistics

    Calculate the mean of: 42, 36, 50, 35, 18, 40

    Answer: 36.8

Friday 14 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    42000

    Answer: 4.2 × 104
  2. 2. Algebra

    Factorise: x² - 7x + 12

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

    Adjacent = 13cm, angle = 41°. Find opposite

    Answer: 11.3cm
  4. 4. Ratio

    £350.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £200.00
  5. 5. Statistics

    The mean of 6 numbers is 33. If 5 of them are 41, 45, 31, 29, 30, what is the missing number?

    Answer: 22