The table shows quiz marks out of 100 in each subject.   English Geography Mathematics Science Robert 76 93 67 38 Samuel 74 64 57 72 Thomas 53 43 52 86 1. How many marks did Thomas totally obtain in Mathematics and Science?   2. How many more marks does Robert need for a perfect score in Mathematics?   3. In Geography, how many more marks did Robert get than Samuel?   4. Find the difference between Robert's Science marks and Samuel's English marks.   5. The Mathematics teacher by mistake gave Thomas 2 times his actual marks. What are his actual marks?