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4024/12 Oct/Nov 2025, Question 4: Rounding

Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 2 marks

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The question, in short

Find a multiple of 7 that rounds to 30 when written correct to the nearest ten.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Solution · 2 marks

  1. 1Numbers that round to 30 to the nearest ten: 25 ≤ n < 35
  2. 2Multiples of 7 in this range: 28
  3. 3Petra's number = 28

Answer28

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Also searched as: 4024/12/O/N/25 · 4024_w25_qp_12 · 4024 w25 12 · question 4.
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