Edexcel IGCSE Math A 1.5.HC n(A) notation for set counts

Practise n(A)-notation questions by adding the correct Venn diagram regions for sets, intersections, complements and follow-through values.

Exam points

Find n(A), n(A ∩ C) or n(C' ∩ D') by adding the correct Venn regions shown.
Use follow-through Venn diagram values to calculate a requested number of elements.

[Maximum number: 1]

100 farmers are asked if they have goats (G), sheep (S) or chickens (C) on their farms.
Of these farmers
31 have sheep
53 have chickens
6 have goats, sheep and chickens
11 have sheep and goats
17 have sheep and chickens
18 have goats and chickens
20 do not have any goats, sheep or chickens

Find

n(G)

All question bank results loaded

1.5.HC The notation n(A) for the number of elements in the set question 1