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Capstone Jul 6 - 12 25 questions
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Monday 6 July 2026

Keystones #187 · Five questions · Open this day only

  1. 1. Number

    Multiply: 3.8 × 106 × 3 × 105

    Answer: 1.14 × 1012
  2. 2. Algebra

    Solve: 4x + 5 ≤ 3x - 6

    Answer: x ≤ 11
  3. 3. Geometry

    A right triangle has hypotenuse 13cm and one side 5cm. Find its area

    Answer: 30cm²
  4. 4. Ratio

    In ratio 2:1, the difference between shares is 123. What is the total?

    Answer: 369
  5. 5. Statistics

    Find the mode of: 12, 62, 73, 47, 33

    Answer: No mode

Tuesday 7 July 2026

Keystones #188 · Five questions · Open this day only

  1. 1. Number

    Multiply: 4.5 × 107 × 3.2 × 103

    Answer: 1.44 × 1011
  2. 2. Algebra

    Solve: 7x + 8 ≤ x - 2

    Answer: x ≤ 1.7
  3. 3. Geometry

    A right triangle has hypotenuse 5cm and one side 3cm. Find its area

    Answer: 6cm²
  4. 4. Ratio

    In ratio 7:5, the difference between shares is 58. What is the total?

    Answer: 348
  5. 5. Statistics

    Find the mode of: 80, 32, 13, 40, 59

    Answer: No mode

Wednesday 8 July 2026

Keystones #189 · Five questions · Open this day only

  1. 1. Number

    Multiply: 5.5 × 104 × 4.3 × 106

    Answer: 2.37 × 1011
  2. 2. Algebra

    Solve: 5x + 12 ≤ 2x - 4

    Answer: x ≤ 5.3
  3. 3. Geometry

    A right triangle has hypotenuse 10cm and one side 6cm. Find its area

    Answer: 24cm²
  4. 4. Ratio

    In ratio 9:2, the difference between shares is 294. What is the total?

    Answer: 462
  5. 5. Statistics

    Find the mode of: 33, 47, 78, 15, 58

    Answer: No mode

Thursday 9 July 2026

Keystones #190 · Five questions · Open this day only

  1. 1. Number

    Multiply: 2.9 × 104 × 6.6 × 105

    Answer: 1.91 × 1010
  2. 2. Algebra

    Solve: 5x + 6 ≤ 3x - 7

    Answer: x ≤ 6.5
  3. 3. Geometry

    A right triangle has hypotenuse 17cm and one side 8cm. Find its area

    Answer: 60cm²
  4. 4. Ratio

    In ratio 7:4, the difference between shares is 132. What is the total?

    Answer: 484
  5. 5. Statistics

    Find the mode of: 45, 15, 76, 31, 63

    Answer: No mode

Friday 10 July 2026

Keystones #191 · Five questions · Open this day only

  1. 1. Number

    Multiply: 3.9 × 104 × 8.8 × 106

    Answer: 3.43 × 1011
  2. 2. Algebra

    Solve: 3x + 7 ≤ x - 4

    Answer: x ≤ 5.5
  3. 3. Geometry

    Calculate the area of a right triangle with perpendicular sides 9cm and 11cm

    Answer: 49.5cm²
  4. 4. Ratio

    In ratio 4:1, the difference between shares is 258. What is the total?

    Answer: 430
  5. 5. Statistics

    Find the mode of: 32, 14, 57, 47, 71

    Answer: No mode