In an examination 19 percent students fail in maths and 10% students fail in English. If 7% of all the students failed in both the subjects, then the number of students passed in both the subjects is

• A. सभी विद्यार्थी का 71%
• B. सभी विद्यार्थी का 64%
• C. सभी विद्यार्थी का 78%
• D. सभी विद्यार्थी का 36%