A) 500
B) 200
C) 300
D) 800
Correct Answer: A
Solution :
| [a] 60% of A = 30% of B \[\Rightarrow \]\[\frac{A\times 60}{100}=\frac{B\times 30}{100}\] \[\Rightarrow \]\[2\times A=B\]\[\Rightarrow \]\[2\times A=40%\]of C \[\Rightarrow \]\[2\times A=\frac{C\times 40}{100}\]\[\Rightarrow \]\[5\times A=C\]\[\Rightarrow \]\[5\times A=x%\]of A \[\Rightarrow \] \[5\times A=\frac{A\times x}{100}\] \[\therefore \] \[x=500\] |
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