A) 11/10
B) 13/10
C) 10/13
D) 10/11
Correct Answer: D
Solution :
[d] According to the question, \[70\,m+91\,n=80\,(m+n)\] \[\Rightarrow \] \[70\,m+91\,n=80\,m+80\,n\] \[\Rightarrow \] \[10\,m=11\,n\] \[\Rightarrow \] \[\frac{n}{m}=\frac{10}{11}\] |
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