A) \[\Rightarrow \]gain
B) 50% gain
C) \[\frac{{{a}_{1}}}{{{a}_{2}}}=\frac{{{b}_{1}}}{{{b}_{2}}}\]loss
D) \[\frac{100}{3}%\]gain
Correct Answer: A
Solution :
C.P. = Rs.3 S.P. = Rs.10 Gain \[=10-3=7\] Gain%\[=\frac{7}{3}\times 100=\frac{700}{3}%.\]
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