In an examination, \(70 \%\) of students passed in physics, \(65 \%\) in chemistry, \(27 \%\) failed in both subjects. The percentage of students who passed is?
A. 62 B. 68 C. 66 D. 69
Correct Answer: A
Explanation
\(70 \%\) students passed in physics \(=30 \%\) failed in Physics. \(65 \%\) students passed in Chemistry \(=35 \%\) failed in Chemistry Percentage of students failed in both subject \(=27 \%\). Percentage of students failed \(=35+30-27\) \(=38 \%\). Percentage of students passed \(=100-38 \%=62 \%\)