A) 450
B) 400
C) 300
D) 150
Correct Answer: D
Solution :
90% of A = 305 of B \[\therefore \] \[A\times \frac{90}{100}=B\times \frac{30}{100}\] \[\Rightarrow \] \[3A=B\] \[\therefore \] \[B=2x%\] of \[A\] \[\Rightarrow \] \[3A=A\times \frac{2x}{100}\]\[\Rightarrow \]\[x=\frac{3\times 100}{2}=150\]You need to login to perform this action.
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