A) 32%
B) 23%
C) 22%
D) 20%
Correct Answer: C
Solution :
Let the maximum marks be x. According to question, 20% of \[x+5=30%\]of\[x-20\] \[\Rightarrow \] \[(30-20)%\,\,of\,\,x=25\] \[\Rightarrow \] \[x=\frac{25\times 100}{10}=250\] \[\therefore \] Pass marks \[=20%\,\,\text{of}\,\,250+5=55\] \[\therefore \] Pass marks percentage \[=\frac{55}{250}\times 100=22%\]You need to login to perform this action.
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