In a class, 15% of total number of students failed in Science, 25% of total number of students failed in Maths and 10% of total number of students failed in both. How much percentage of students passed in both Maths and Science?

70

According to the given information in the question, the above diagram is formed:

Total number of students = 100%

Total number of students who failed in either 1 or both the subjects = 30%

Thus, total number of students who passed = 70% i.e. (100% - 30%)