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Cambridge IGCSE Additional Mathematics

11Permutations and combinations

Permutations and combinations in Cambridge IGCSE Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic42 practice questions2 lessons
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In this topic

Lessons

  • Combinations: selections where order does not matter

    35 min

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  • Permutations: arranging objects in order

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Permutations and combinations: sample question

1 mark

In how many ways can 3 learners be chosen from a class of 12 to represent the class at a meeting?

Only if the answer has a unit, e.g. cm or km/h.

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