The income of Company A in 1997 and the income of Company B in 1995 are equal. What will be the ratio of the expenditure of Company A in 1997 to the expenditure of Company Bin. 1995 ?

Direction (Q. 6-10): 120 students of a class appeared in an exam containing two papers, Maths and Physics. The ratio of the number of boys to the number of girls in the class is 5 : 3 . Thirty two per cent of boys passed only in Maths, and half of this number is equal to the number of girls who passed in both the papers. The number of boys who passed only in physics is equal to the number of girls who passed in Maths and this number is 12.5% of the total number of students of the class.

The number of boys who passed in both Maths and Physics is what percentage of the number of boys who passed in Physics only ?

The number of students who passed in exactly one paper (either Maths or Physics) is what percentage of the number of students who passed in both the papers ?