4MA0 Foundation January 2018 Paper 1R Q4
4 Here are the first four terms of a number sequence.
3 7 11 15
(a) Write down the next term of the sequence. (1)
(b) Write down the 10th term of the sequence. (1)
Ali says that 102 is a term of the sequence.
Ali is wrong.
(c) Explain why. (1)
| Scheme | Marks |
|---|---|
| 19 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| 39 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| Reason | B1 |
| (1) |
Notes
B1: e.g. all the terms must be odd (but 102 is even)