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Lintel Mar 7 - 13 25 questions
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Monday 7 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    7300000

    Answer: 7.3 × 106
  2. 2. Algebra

    Factorise: x² + 4x - 12

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

    Hypotenuse = 22cm, angle = 65°. Find adjacent side

    Answer: 9.3cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 36. If 4 of them are 35, 41, 31, 50, what is the missing number?

    Answer: 23

Tuesday 8 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    44000000

    Answer: 4.4 × 107
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Hypotenuse = 35cm, angle = 61°. Find adjacent side

    Answer: 17cm
  4. 4. Ratio

    £240.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £144.00
  5. 5. Statistics

    The mean of 6 numbers is 25. If 5 of them are 46, 33, 26, 49, 36, what is the missing number?

    Answer: -40

Wednesday 9 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0052

    Answer: 5.2 × 10-3
  2. 2. Algebra

    Factorise: x² - 8x + 16

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

    Adjacent = 21cm, angle = 47°. Find opposite

    Answer: 22.5cm
  4. 4. Ratio

    £259.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £185.00
  5. 5. Statistics

    Calculate the mean of: 26, 28, 17, 8, 44, 31

    Answer: 25.7

Thursday 10 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.025

    Answer: 2.5 × 10-2
  2. 2. Algebra

    Factorise: x² - 8x + 12

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

    Hypotenuse = 40cm, angle = 37°. Find adjacent side

    Answer: 31.9cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 39, 30, 41, 11, 5, 29, 48

    Answer: 29

Friday 11 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    3200000

    Answer: 3.2 × 106
  2. 2. Algebra

    Factorise: x² + 6x - 16

    Answer: (x + 8)(x - 2)
  3. 3. Geometry

    Hypotenuse = 16cm, angle = 30°. Find adjacent side

    Answer: 13.9cm
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 34. If 4 of them are 38, 21, 29, 44, what is the missing number?

    Answer: 38