Free November promotion: everything is free until 30 November 2026 — every subject, unlimited practice.
Subjects / LC Mathematics / Statistics and Probability

Counting: arrangements and choices

Use the fundamental principle of counting, arrangements (n!) and combinations (nCr) to count outcomes.

In review 5th Year6th Year HigherOrdinary
16practice questions

Multiple choice: 5 · Select all that apply: 1 · Numeric answer: 9 · Written answer (self/teacher assessed): 1

Each question has up to three hints, a worked explanation, and is tracked in your progress and review plan.

Practise this topic

Try a question

Numeric answerPaper 2 – Statistics and Probability
A café offers 6 starters, 8 main courses and 2 desserts. A set menu is one starter, one main course and one dessert. How many different set menus are possible?
Whole numbers, decimals (2.5) or fractions (3/4).
Hint 1

Each choice is made independently of the others.

Create a free account to save your progress.