Vishal attempted yearly exams in his school, which included exams of five subjects - English, Hindi, Maths, History, and Science. It is known that every exam was of 100 marks. Vishal scored a total of 81% marks in the yearly exams. He scored a total of 90 marks in English. His maths' score was (2/3)^rd the marks in English, and he scored (5/6)^th of the marks he scored in English in his Hindi Exam. Also, the difference between the marks in History and Science is 10, where he scored more in Science. Find out the average of marks in Science and History, scored by Vishal.