Edexcel IGCSE Math A 1.5.C universal set and empty set

Practise universal-and-empty-set questions by explaining what an empty intersection means in a list, Venn diagram or real context.

Exam points

Interpret the empty set as showing that no members satisfy the stated condition.
Explain what an empty-set statement means in a context such as fish in a lake.

[Maximum number: 1]

$7 \mathscr{E}=\{23,24,25,26,27,28,29,30,31,32,33,34\}$ $A=\{$ even numbers $\}$ $B=\{23,29,31\}$ $C=\{$ multiples of 3 $\}$

Is it true that $B \cap C=\varnothing$ ?

Tick ( ✓ ) one of the boxes below.

Give a reason for your answer.

The set D has 4 members and is such that $D \cap(A \cup C)=\varnothing$

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