1. “Twenty-four questions, and I get 20p every one I get right,” said Doug. “That’s great, Dad.” Dad smiled. “Don’t forget you pay me 40p for every one you don’t get right,” he told the boy. So they started, and in fact Doug did win. But less than a pound! How many questions did he answer correctly?

Doug answered 12 questions correctly

Doug answered 17 questions correctly

Doug answered 21 questions correctly