The table shows quiz marks out of 25 in each subject.   English Geography Mathematics Science Andy 84 97 76 35 Bill 61 50 54 62 Clive 45 73 75 84 1. What is the difference betweenClive's marks in English and Science?   2. How many more marks does Andy need for a perfect score in Mathematics?   3. In Geography, how many more marks did Andy get than Bill?   4. Find the difference between Andy's Science marks and Bob's English marks.   5. The Mathematics teacher gave Clive 40 extra marks by mistake. What are his real marks?