A) Rs. 25
B) Rs. 30
C) Rs. 27
D) Rs. 32
Correct Answer: B
Solution :
Let original cost price of sugar = Rs. x per kg \[\therefore \] New cost pnce of sugar \[=x\times \frac{90}{100}\]= Rs. \[\frac{9x}{10}\] According to the given condition, \[\frac{270}{9x/10}-\frac{270}{x}=1\] \[\Rightarrow \] \[\frac{2700-2430}{9x}=1\] \[\Rightarrow \] \[\frac{270}{9x}=1\] \[\Rightarrow \] \[=1080+2=1082\]= Rs. 30 per kgYou need to login to perform this action.
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