4MA0 Higher January 2016 Paper 3 Q7
7 \(\mathscr{E} = \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}\)
\(A = \{1, 2, 3, 4, 5, 6\}\)
\(B = \{\text{odd numbers}\}\)
(a) List the members of \(A \cup B\) (1)
\(C\) is a set such that \(A \cap C = \{4, 5\}\)
The set \(C\) has 4 members.
(b) List the members of one possible set \(C\) (2)
| Scheme | Marks |
|---|---|
| 1,2,3,4,5,6,7,9 | B1 |
| (1) |
Notes
B1: no repeats
| Scheme | Marks |
|---|---|
| eg. 4, 5, 7, 8 | B2 |
| (2) |
Notes
B2: for 4, 5, and any two of 7, 8, 9, 10
If not B2 then B1 for 4,5 or
4,5 and any one or two other numbers from the universal set or
4, 5, 7, 8, 9, 10 or
7, 8, 9, 10 or
Venn diagram with 4,5 in intersection and any two correct numbers (eg. 8,10) in \(C\)