A) 20%
B) 10%
C) 30%
D) 40%
Correct Answer: A
Solution :
Let the selling price be Rs.100 Then, cost price of cooker\[\text{=Rs}\text{.}\left( \frac{9}{10}\times 100 \right)\] \[\text{=Rs}\text{.90}\] and selling price of cooker for Monika \[\text{=Rs}\text{.100+8 }\!\!%\!\!\text{ }\] of \[\text{Rs}\text{. 100=Rs}\text{. 108}\] \[\therefore \text{ Gain }\!\!%\!\!\text{ =}\left( \frac{108-90}{90} \right)\times 100=20%\]You need to login to perform this action.
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