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0580/11 May/Jun 2025, Question 4: Number Review: Mixed Practice

Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Non-calculator · 4 marks

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The question, in short

From the list 7, 27, 39, 49, 99, 112, select numbers matching four given descriptions.

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

Part (a) · 1 mark

Choose an even number from the list.

  1. 1112 is even

Answer112

Part (b) · 1 mark

Choose a square number from the list.

  1. 149 = 7², a square number

Answer49

Part (c) · 1 mark

Choose a number from the list that is a factor of 56.

  1. 156 = 7 × 8, so 7 is a factor

Answer7

Part (d) · 1 mark

Choose a prime number from the list.

  1. 17 has only factors 1 and 7: prime

Answer7

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