Foundation June 2018 Paper 1 Q12
12.
(a)
Here is a number machine.
INPUT → Add 10 → Divide by 2 → OUTPUT
(i) The input is 100.
What is the output? [1]
What is the output? [1]
(ii) The input is \(-12\).
What is the output? [1]
What is the output? [1]
(iii) The output is 6·5.
What is the input? [1]
What is the input? [1]
(b)
The table shows some input and matching output values for a different number machine.
The number machine is given below.
| Input | Output |
|---|---|
| 18 | 4 |
| 51 | 7 |
Complete the number machine. [1]
INPUT → Subtract 2 → → OUTPUT
| Scheme | Marks | Comments |
|---|---|---|
| (i) 55 | B1 | |
| (ii) \(-1\) | B1 | |
| (iii) 3 | B1 | Allow embedded answer |
| Scheme | Marks | Comments |
|---|---|---|
| Square root or equivalent | B1 | |
| (4) |