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In a class, 15% of total number of stude...

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?

A

a. 70%

B

b. 80%

C

c. 60%

D

d. 90%

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