June 2023 Paper 2 Q22
22 Five-digit integers are made using
\[1 \qquad\quad 2 \qquad\quad 7 \qquad\quad 8 \qquad\quad 9\]For each integer, all the digits are used exactly once.
The integers are
greater than 40 000 and odd.
How many different integers can be made?
You must show your working. [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| 42 | B3 | B2 18 and 12 and 12 or 18 and 24 or a calculation that would evaluate to 42 B1 18 or 12 or 24 or 54 or 72 |
Additional guidance
| Up to B2 may be awarded for correct work with no answer or incorrect answer, even if this is seen amongst multiple attempts | |
| Answer 42 | B3 |
| \(7 \times 6\) | B2 |
| \(7 \times 3!\) | B2 |
| \(30 + 12\) | B2 |