4MA0 Foundation January 2015 Paper 2 Q21
21 Three positive whole numbers are all different.
The numbers have a median of 8 and a mean of 6
Find the three numbers.
(2)
| Scheme | Marks |
|---|---|
| 1, 8, 9 | B2 |
| (2) | |
| (2 marks) |
Notes
B2: B1 for 2, 8, 8 or 0, 8, 10 or for three numbers with a mean of 6 or a median of 8 or 6 × 3 (=18)