4MA0 Higher January 2015 Paper 4 Q6

EdexcelHigherOld spec3 marksSets

6 \(\mathscr{E} = \{\text{positive whole numbers less than } 19\}\)
\(A = \{\text{odd numbers}\}\)
\(B = \{\text{multiples of } 5\}\)
\(C = \{\text{multiples of } 4\}\)

(a) List the members of the set
(i) \(A \cap B\)
(ii) \(B \cup C\)
(2)

\(D = \{\text{prime numbers}\}\)

(b) Is it true that \(B \cap D = \varnothing\) ?
Tick (✓) the appropriate box.
Yes ☐     No ☐
Explain your answer. (1)
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