Level 3
Oscar is 3 times as old as his brother. In 14 years' time, Oscar will be 10 years less than twice of his brother's age. How old was Oscar 2 years ago?
Level 3
There were a total of 88 questions in a Maths test. 10 marks were awarded for each correct answer and 2 marks were deducted for each incorrect answer or each incomplete answer. Betty could not complete all the questions in time and left the last 11 questions blank. She scored 472 marks. How many more correct answers than wrong answers did she answer?
