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Henry Park 2025 P6 Maths Prelim — Paper 1 Booklet A Q15 Solution

Paper 1 Booklet A · Q15 · 2 marks · Algebra

Question

A pattern is formed using the letters A and H. The first 20 letters are shown. How many times does the letter A appear in the first 80 letters of the pattern?
Answer: 3

Worked solution

  1. \text{Identify the repeating block from the first 20 letters}
  2. \text{Count A's per block, then scale to 80 letters}
  3. \text{Total A's} = 53

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