4MA0 Higher January 2015 Paper 4 Q9
9 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 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)