The table shows quiz marks out of 25 in each subject.   English Geography Mathematics Science Andy 98 84 84 37 Bill 91 58 44 77 Clive 62 56 86 94 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 53 extra marks by mistake. What are his real marks?