In the joint bar graph below, Govinda's first-term and second-term marks in some subjects are shown.
(1) Find out Govinda's marks in Marathi in the two examinations.
(2) In which subjects did his marks fall in the second-term exam?
(3) What was the increase in his Maths marks in the second term?
(4) In which subjects were his marks more than 80 in the second-term exam?