By Yangyang Zhang
Rules
1. This is a 20-question, multiple choice test. Each question is followed by answers marked A, B, C and D. Only one of these is correct.
2. You will receive 5 points for each correct answer, and 0 points for each incorrect answer.
3. No aids are permitted other than scratch paper, graph paper, ruler, compass, protractor and erasers. Calculators are not allowed.
4. Figures are not necessarily drawn to scale.
5. You will have 75 minutes working time to complete the test.