A) 3% of xy
B) 2% of xy
C) 5% of xy
D) 1% of xy
Correct Answer: B
Solution :
x% of y + y% of x \[=\frac{xy}{100}+\frac{yx}{100}\] \[\Rightarrow \] \[\frac{2xy}{100}=\frac{2}{100}xy\] \[\Rightarrow \] \[2%\] of xy
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