In an exam 18% students fail in chemistry and 15% students fail in physics. If 3% students fail in both the subjects then the percentage of students who passed in both subjects is
a) 50%
b) 60%
c) 65%
d) 70%
please tell me how to do it.
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Total = 100%
Failed in physics =15%
In chemistry =18%
The % of students passed on both exam
=100%-18%-15%-3%=64%
Failed in physics =15%
In chemistry =18%
The % of students passed on both exam
=100%-18%-15%-3%=64%
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