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Lintel Jan 20 - 26 25 questions
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Monday 20 January 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.049

    Answer: 4.9 × 10-2
  2. 2. Algebra

    Factorise: x² - 11x + 28

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

    Hypotenuse = 22cm, angle = 60°. Find adjacent side

    Answer: 11cm
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 34, 50, 29, 25, 6, 26, 19, 37

    Answer: 28.3

Tuesday 21 January 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    8300000

    Answer: 8.3 × 106
  2. 2. Algebra

    Factorise: x² + 2x - 8

    Answer: (x + 4)(x - 2)
  3. 3. Geometry

    Adjacent = 21cm, angle = 48°. Find opposite

    Answer: 23.3cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 32. If 3 of them are 19, 25, 22, what is the missing number?

    Answer: 62

Wednesday 22 January 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00063

    Answer: 6.3 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 20

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

    Hypotenuse = 34cm, angle = 41°. Find adjacent side

    Answer: 25.7cm
  4. 4. Ratio

    £276.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £92.00
  5. 5. Statistics

    The mean of 5 numbers is 24. If 4 of them are 45, 47, 22, 44, what is the missing number?

    Answer: -38

Thursday 23 January 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    80000000

    Answer: 8 × 107
  2. 2. Algebra

    Factorise: x² - 5x + 6

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

    Adjacent = 26cm, angle = 46°. Find opposite

    Answer: 26.9cm
  4. 4. Ratio

    £344.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £215.00
  5. 5. Statistics

    Calculate the mean of: 16, 17, 27, 50, 13, 22

    Answer: 24.2

Friday 24 January 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    78000000

    Answer: 7.8 × 107
  2. 2. Algebra

    Factorise: x² - 12x + 36

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

    Adjacent = 16cm, angle = 51°. Find opposite

    Answer: 19.8cm
  4. 4. Ratio

    Divide 216 in the ratio 4:1:3

    Answer: 108, 27 and 81
  5. 5. Statistics

    The mean of 4 numbers is 35. If 3 of them are 32, 32, 29, what is the missing number?

    Answer: 47