Higher June 2018 Paper 4 Q13
13 A menu has
- 6 starters
- 10 main dishes
- 7 desserts.
(a) A three-course meal consists of a starter, a main dish and a dessert.
How many different three-course meals are possible? [2]
(b) A two-course meal consists either of a starter with a main dish, a starter with a dessert or a main dish with a dessert.
Show that there are 172 possible different two-course meals. [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 420 | 2 | M1 for 6 × 10 × 7 | |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 6×10+6×7+10×7 or 60+42+70 [=172] | 3 | M2 for two correct products shown or M1 for one correct product shown | |