Higher November 2019 Paper 2 Q14
14 Sadia is going to buy a new car.
For the car, she can choose one body colour, one roof colour and one wheel type.
She can choose from
19 different body colours
25 different wheel types
The total number of ways Sadia can choose the body colour and the roof colour and the wheel type is 3325
Work out the number of different roof colours that Sadia can choose from. (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| 7 | M1 | method to find number of combinations, eg \(19 \times 25\) oe (= 475) or for \(3325 \div 19\ (= 175)\) or \(3325 \div 25\ (= 133)\) |
| A1 | cao |