A) 10%
B) 8%
C) 6%
D) 5%
Correct Answer: B
Solution :
Suppose his gain per cent is x Then, \[20=\frac{(x+10)\times 100}{100-10}\] \[20\times 90=(x+10)\times 100\] \[x+10=18\] \[x=8%\]You need to login to perform this action.
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