A) 70
B) 60
C) 80
D) 90
Correct Answer: C
Solution :
Let A's income \[=Rs.\,a\] And B's income \[=Rs.\,b\] \[a\times 60%=b\times 75%\] \[\Rightarrow \] \[a\times 4=5\times b\,\,\,\,\,\Rightarrow \,\,\,\,\,\frac{b}{a}=\frac{4}{5}\] Now, \[b=a\times x%\] \[\Rightarrow \] \[x=\frac{4}{5}\times 100=80\]You need to login to perform this action.
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