Higher November 2024 Paper 2 Q2
2. Elijah has a large cylinder of wax.
It has a radius of 7 cm and a height of 21 cm.
Diagram not drawn to scale
He melts down the large cylinder of wax to make small wax cylinders each with a volume of 102 cm3.
How many complete small wax cylinders can Elijah make? [3]
| Scheme | Marks | Comments |
|---|---|---|
| \(\pi \times 7^2 \times 21 \div 102\) | M2 | M1 for \(\pi \times 7^2 \times 21\) (= 3231 to 3233.118 or \(1029\pi\)) Allow the M1 for sight of \(\pi \times 7^2 \times 21\) if embedded in incorrect work e.g. \(2 \times \pi \times 7^2 \times 21\) |
| = 31 (complete cylinders) | A1 | Unsupported 31.69 or 32 is awarded M2 A0 |
| (3) |