A) 6
B) 7
C) 8
D) 10
Correct Answer: B
Solution :
(b): Let C.P be 'x' per lemon S.P = 1/5 (for one lemon) \[Gain\,%=\frac{\frac{1}{5}-x}{x}\times 100%=40%\] \[\Rightarrow \frac{\frac{1}{5}-x}{x}=\frac{2}{5}\] \[\Rightarrow 1-5x=2x\] \[\Rightarrow 1=7x\Rightarrow x=\frac{1}{7}.\] \[\Rightarrow \] C.P OF 7 lemons = 1 rupees.You need to login to perform this action.
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