A) 544
B) 457
C) 561
D) 574
E) None of these
Correct Answer: A
Solution :
Let the number be x, According to the question, \[(31-13)%\,\,\,of\,x=576\] \[\Rightarrow \frac{x\times 18}{100}=576\] \[\Rightarrow x=\frac{576\times 100}{18}=3200\] \[\therefore \,\,17%\,\,of\,\,3200\] \[=\frac{3200\times 17}{100}=544\]You need to login to perform this action.
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