In a certain institute, every student studies at least one of two subjects, Accountancy and Economics. What is the

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In a certain institute, every student studies at least one of two subjects, Accountancy and Economics. What is the percentage of students who take only Economics?

1. Out of every seven students taking Accountancy, three take Economic as well

2. For every three students taking at least one of the two courses, there is one student who takes up both

The OA is C
Source: — Data Sufficiency |