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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 ?