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Lintel Oct 5 - 11 25 questions
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Monday 5 October 2026

Keystones #278 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄5 + 1⁄3 + 1⁄2

    Answer: 49⁄30
  2. 2. Algebra

    Solve: 8x + 6 ≤ 7x - 10

    Answer: x ≤ 16
  3. 3. Geometry

    How long does it take to travel 307km at 78km/h?

    Answer: 3.9 hours
  4. 4. Ratio

    A and B share in ratio 4:1. If the difference is 108, what does A get?

    Answer: 144
  5. 5. Statistics

    A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?

    Answer: 2⁄3

Tuesday 6 October 2026

Keystones #279 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄5 × 5

    Answer: 7
  2. 2. Algebra

    Solve: 5x + 4 ≤ x - 9

    Answer: x ≤ 3.3
  3. 3. Geometry

    A cyclist travels 394km in 8 hours. What is their average speed?

    Answer: 49.25km/h
  4. 4. Ratio

    A and B share in ratio 4:1. If the difference is 66, what does A get?

    Answer: 88
  5. 5. Statistics

    A bag has 4 red and 6 blue balls. What is the probability of picking a red ball?

    Answer: 2⁄5

Wednesday 7 October 2026

Keystones #280 · Five questions · Open this day only

  1. 1. Number

    Divide: 3 ÷ 1⁄8

    Answer: 24
  2. 2. Algebra

    Solve: 9x - 7 > 2x + 7

    Answer: x > 2
  3. 3. Geometry

    How long does it take to travel 469km at 76km/h?

    Answer: 6.2 hours
  4. 4. Ratio

    A and B share in ratio 2:1. If the difference is 66, what does A get?

    Answer: 132
  5. 5. Statistics

    A spinner has 5 red, 6 blue and 6 green sections. Probability of landing on red?

    Answer: 5⁄17

Thursday 8 October 2026

Keystones #281 · Five questions · Open this day only

  1. 1. Number

    Multiply: 4⁄6 × 1⁄4 × 3⁄6

    Answer: 1⁄12
  2. 2. Algebra

    Solve: 10x - 12 > 7x + 3

    Answer: x > 5
  3. 3. Geometry

    How long does it take to travel 359km at 62km/h?

    Answer: 5.8 hours
  4. 4. Ratio

    A and B share in ratio 5:3. If the difference is 38, what does A get?

    Answer: 95
  5. 5. Statistics

    A spinner has 4 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 4⁄11

Friday 9 October 2026

Keystones #282 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄5 + 1⁄8

    Answer: 29⁄40
  2. 2. Algebra

    Solve: 7x + 4 ≤ x - 9

    Answer: x ≤ 2.2
  3. 3. Geometry

    A cyclist travels 123km in 6 hours. What is their average speed?

    Answer: 20.5km/h
  4. 4. Ratio

    A and B share in ratio 8:7. If the difference is 28, what does A get?

    Answer: 224
  5. 5. Statistics

    A bag has 3 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 3⁄10