SRM UNIVERSITY Interview Numerical Ability

In a class of 130 students 85 passed in maths, 60 passed in social studies and 10 failed in both the subjects.
i) The no of students who failed in maths is what % of the no of students who failed in only social studies?
ii) The no of students who failed in only social studies is what % of the no of students who passed in both the subjects?

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SRM UNIVERSITY Other Question
In a class of 130 students 85 passed in maths , 60 passed in social studies and 10 failed in both subjects.
i) The no of students who failed in maths is what % of the no of students who failed only in social?
ii) The no of students who failed in social studies is what % of the no of students who passed in both the subjects?