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4024/11 May/Jun 2020, Question 3: Pattern Sequences and Special Sequences

Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 2 marks

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The question, in short

A sequence rises by a constant amount, with 1.4, 2.3 and 3.2 shown; find the missing numbers before and after these terms.

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

Solution · 2 marks

  1. 1Difference = 2.3 − 1.4 = 0.9
  2. 2First term = 1.4 − 0.9 = 0.5
  3. 3Last term = 3.2 + 0.9 = 4.1
  4. 40.5, 4.1

Answer0.5, 4.1

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