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Capstone Aug 24 - 30 25 questions
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Monday 24 August 2026

Keystones #236 · Five questions · Open this day only

  1. 1. Number

    Multiply: 4.1 × 104 × 7.7 × 106

    Answer: 3.16 × 1011
  2. 2. Algebra

    Solve: 5x + 7 ≤ 3x - 4

    Answer: x ≤ 5.5
  3. 3. Geometry

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

    Answer: 60cm²
  4. 4. Ratio

    In ratio 8:3, the difference between shares is 200. What is the total?

    Answer: 440
  5. 5. Statistics

    Find the mode of: 14, 35, 61, 42, 79

    Answer: No mode

Tuesday 25 August 2026

Keystones #237 · Five questions · Open this day only

  1. 1. Number

    Multiply: 6.7 × 104 × 7.7 × 106

    Answer: 5.16 × 1011
  2. 2. Algebra

    Solve: 6x + 10 ≤ 4x - 6

    Answer: x ≤ 8
  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 100. What is the total?

    Answer: 300
  5. 5. Statistics

    Find the mode of: 76, 56, 29, 42, 13

    Answer: No mode

Wednesday 26 August 2026

Keystones #238 · Five questions · Open this day only

  1. 1. Number

    Multiply: 7.4 × 107 × 8.7 × 105

    Answer: 6.44 × 1013
  2. 2. Algebra

    Solve: 7x + 4 ≤ 6x - 7

    Answer: x ≤ 11
  3. 3. Geometry

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

    Answer: 24cm²
  4. 4. Ratio

    In ratio 4:1, the difference between shares is 198. What is the total?

    Answer: 330
  5. 5. Statistics

    Find the mode of: 64, 14, 73, 41, 33

    Answer: No mode

Thursday 27 August 2026

Keystones #239 · Five questions · Open this day only

  1. 1. Number

    Multiply: 2.7 × 105 × 7.9 × 103

    Answer: 2.13 × 109
  2. 2. Algebra

    Solve: 7x + 5 ≤ 5x - 4

    Answer: x ≤ 4.5
  3. 3. Geometry

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

    Answer: 6cm²
  4. 4. Ratio

    In ratio 3:2, the difference between shares is 75. What is the total?

    Answer: 375
  5. 5. Statistics

    Find the mode of: 27, 16, 43, 77, 56

    Answer: No mode

Friday 28 August 2026

Keystones #240 · Five questions · Open this day only

  1. 1. Number

    Multiply: 3.6 × 106 × 7.9 × 104

    Answer: 2.84 × 1011
  2. 2. Algebra

    Solve: 8x + 11 ≤ 5x - 5

    Answer: x ≤ 5.3
  3. 3. Geometry

    Calculate the area of a right triangle with perpendicular sides 11cm and 6cm

    Answer: 33cm²
  4. 4. Ratio

    In ratio 5:3, the difference between shares is 60. What is the total?

    Answer: 240
  5. 5. Statistics

    Find the mode of: 40, 17, 63, 27, 70

    Answer: No mode